Index

Symbols

%ACTIVATE statement, %ACTIVATE, %activate-statement

NORESCAN option, %ACTIVATE
RESCAN option, %ACTIVATE

%Assignment statement, %Assignment Statement

%DEACTIVATE statement, %DEACTIVATE, %deactivate-statement

%DECLARE statement, %DECLARE, %declare-statement

%DICTIONARY statement, %DICTIONARY, %dictionary-statement

%DO statement, %DO, %do-statement

%END statement, %END, %end-statement

%ERROR statement, %ERROR, User-Generated Diagnostic Messages, %error-statement

%FATAL statement, %FATAL, User-Generated Diagnostic Messages, %fatal-statement

%GOTO statement, %GOTO, %goto-statement

%IF statement, %IF, %if-statement

%INCLUDE statement, %INCLUDE, %include-statement

rules for file specifications, %INCLUDE

%INFORM statement, %INFORM, User-Generated Diagnostic Messages, %inform-statement

%LIST, %LIST_xxx

%LIST_xxx

%LIST_ALL, %LIST_xxx
%LIST_DICTIONARY, %LIST_xxx
%LIST_INCLUDE, %LIST_xxx
%LIST_MACHINE, %LIST_xxx
%LIST_SOURCE, %LIST_xxx

%LIST_xxx statement, %LIST_xxx

%NOLIST, %NOLIST_xxx

%NOLIST_xxx statement, %NOLIST_xxx

%Null statement, %Null, %null-statement

%PAGE statement, %PAGE, %page-statement

%PROCEDURE statement, %PROCEDURE, %procedure-statement

STATEMENT option, Using the STATEMENT Option

%REPLACE statement, %REPLACE Statement, %replace-statement

%RETURN statement, %PROCEDURE, %RETURN Statement, %return-statement

%SBTTL statement, %SBTTL, %sbttl-statement

%TITLE statement, %TITLE, %title-statement

%WARN statement, %WARN, User-Generated Diagnostic Messages, %warn-statement

%[NO]LIST statement, %[no]list-statement

/NOWARNINGS qualifier, Implicit Conversion During Assignment

/VARIANT qualifier, VARIANT

A

A format item, A Format Item

definition, A Format Item

ABS built-in function, ABS

ABS preprocessor built-in function, ABS

Absolute values

computing, ABS

ACOS built-in function, ACOS

Activation

block, Block Activation

ACTUALCOUNT built-in function, ACTUALCOUNT

ADD built-in function, ADD

Addition, Arithmetic Data

ADDR built-in function, ADDR

passing pointer value, Passing Arguments by Reference
using, Using the ADDR Built-in Function, Using the ADDR Built-In Function

ADDREL built-in function, ADDREL

Aggregates, Aggregates

arrays, Arrays
internal representation, Internal Representation of Aggregate Data
structures, Structures

ALIGNED attribute, ALIGNED Attribute

Alignment

bit-string, ALIGNED Attribute
character-string, ALIGNED Attribute, Alignment of Character Strings
of bit strings, Alignment of Bit-String Data

ALLOCATE statement, Controlled Variables, ALLOCATE Statement, allocate-statement

using, Using the ALLOCATE Statement

ALLOCATION built-in function, ALLOCATION

using, Using the ALLOCATION Built-In Function

AND operator, AND

AND THEN operator, AND THEN

ANY attribute, ANY Attribute, Passing Arguments by Immediate Value, Passing Arguments by Reference

ANYCONDITION condition, ANYCONDITION Condition Name

Apostrophes

in character strings, Character-String Constants

APPEND

ENVIRONMENT option, Summary of Options

AREA attribute, AREA Attribute, Area Data

AREA condition, AREA Condition Name

Area data, Area Data

Area variables, Area Variables in Expressions

Areas

data

internal representation, Internal Representation of Area Data

reading and writing, Reading and Writing Areas

Argument

list

null, Functions and Function References

Arguments

aggregate, Aggregate Arguments

arrays, Array Parameters

character strings, Character-String Parameters

conversion, Conversion of Arguments

dummy, Dummy Arguments

list

for exception condition, ONARGSLIST
null, BUILTIN Attribute
relationship to parameter list, Parameters and Arguments

matching with parameter, Argument Matching

of built-in functions, Built-In Function Arguments

passing, Argument Passing

arrays, Passing Arrays as Arguments
by descriptor, Restriction, Passing Arguments by Descriptor, DESCRIPTOR
by immediate value, Passing Arguments by Immediate Value
by reference, REFERENCE Attribute, Passing Arguments by Reference
by value, VALUE Attribute
forcing passing by descriptor, Passing Arguments by Descriptor
structure, Passing Structure Variables as Arguments
to PL/I procedure, Actual Arguments
to subroutines or functions, Number of Arguments

relationship to parameter, Parameters and Arguments

specifying pointer values, Passing Arguments by Reference

structures, Structure Parameters

Arithmetic

built-in functions

ABS, ABS
ADD, ADD
CEIL, CEIL
DIVIDE, DIVIDE
FLOOR, FLOOR
MAX, MAX
MIN, MIN
MOD, MOD
MULTIPLY, MULTIPLY
ROUND, ROUND
SIGN, SIGN
SUBTRACT, SUBTRACT
TRUNC, TRUNC

data

converting to bit-string, Arithmetic to Bit-String Assignments
converting to character-string, Arithmetic to Character-String Conversions
relational expression, Arithmetic Comparisons
specifying precision, PRECISION Attribute

operations

determining sign of a number, SIGN
division, DIVIDE
rounding to nearest digit, ROUND
ZERODIVIDE signaled, ZERODIVIDE Condition Name

operator, Operators

Arithmetic data, Arithmetic Data

specifying precision, Precision and Scale of Arithmetic Data Types

Arithmetic operators, Arithmetic Operators

Array-handling

built-in functions

DIMENSION, Built-In Functions Providing Array Dimension Information, DIMENSION
HBOUND, Built-In Functions Providing Array Dimension Information, HBOUND
LBOUND, Built-In Functions Providing Array Dimension Information, LBOUND
PROD, PROD
SUM, SUM

Arrays, Arrays

assigning values with GET statement, Using GET and PUT Statements with Array Variables

assigning values with PUT statement, Using GET and PUT Statements with Array Variables

assignment statement, Assigning Values to Array Variables

bound pair, Array Declarations

concatenating with STRING, STRING

connected, Connected and Unconnected Arrays

declaration, Array Declarations

declaring, Array Declarations

as parameters, Array Parameters

dimensions

determining extent, DIMENSION
determining lower bound, LBOUND
determining upper bound, HBOUND
rules for specifying, DIMENSION Attribute, Array Declarations

elements

referring to, References to Individual Elements

extent of, Array Declarations

initializing, Initializing Arrays

of structures, Arrays of Structures

referring to elements, Arrays of Structures
unconnected arrays, Connected and Unconnected Arrays

order of assignment and output, Order of Assignment and Output for Multidimensional Arrays

passing

to non-PL/I procedures, Passing Arguments by Descriptor

passing as arguments, Passing Arrays as Arguments, Array Parameters, Passing Arguments by Reference

asterisk-extent, REFERENCE Attribute
by descriptor, Passing Arguments by Descriptor

subscripts, References to Individual Elements

unconnected, Connected and Unconnected Arrays

ASCII character set, Digital Multinational Character Set

obtaining integer value, RANK
obtaining string of, COLLATE

ASIN built-in function, ASIN

Assignment, Implicit Conversion During Assignment

conversion during, Implicit Conversion During Assignment

Assignment statement, Simple Statements, Assignment Statement, assignment-statement

and unconnected arrays, Connected and Unconnected Arrays

conversion during

arithmetic data, Derived Data Types for Arithmetic Operations

specifying array variables, Assigning Values to Array Variables

specifying structure, Using Structure Variables in Expressions

structure, Structure-Qualified References

Asterisk (*)

as picture character, Digit Characters (9, Z, *, Y)
in array declaration, Array Declarations

ATAN built-in function, ATAN

ATAND built-in function, ATAND

ATANH built-in function, ATANH

Attributes, Attributes, Attributes

array variables, Array Declarations

computational data type, Attributes, Computational Data Type Attributes

default arithmetic, Default Attributes

factors in declaration, Factored Simple Declarations

file description, Attributes, Opening a File, File Description Attributes and Options, File Description Attributes

specifying on OPEN, Opening a File

for entry points, Attributes, Entry Name Attributes

matching parameter and argument, Argument Matching

member, Attributes, Member Attributes, Member Attributes

non-data-type, Non-Data Type Attributes

noncomputational data type, Attributes, Noncomputational Data Type Attributes

nondata-type, Attributes

scope, Attributes, Storage Class and Scope Attributes

specifying in DECLARE statement, DECLARE Statement

storage, Attributes, Storage Class and Scope Attributes

structure variables, Attributes for Structure Variables

AUTOMATIC attribute, AUTOMATIC Attribute

Automatic storage class, Automatic Variables

B

B format item

definition, B Format Items

B picture character, Insertion Characters (, . / B)

BACKUP_DATE

ENVIRONMENT option, Summary of Options

BASED attribute, BASED Attribute, Based Variables

Based variables, BASED Attribute, Based Variables

associating with storage, Based Variables

data type matching

left-to-right equivalence, Matching by Left-to-Right Equivalence

data-type matching, Data-Type Matching for Based Variables

overlay defining, Matching by Overlay Defining

declaring, Based Variables

example, Examples of Based Variables

freeing storage, FREE Statement

nonmatching reference, Nonmatching Based Variable References

obtaining storage, ALLOCATE Statement

offset within area, Offset Data

REFER option, Using the REFER Option

referring to, Referring to Based Variables

using READ statement, The SET Option of the READ Statement

BATCH

ENVIRONMENT option, Summary of Options, Closing a File

Begin blocks, Blocks, Begin Blocks, BEGIN Statement

effect of RETURN statement, RETURN Statement
in ON-unit, Contents of an ON-Unit
terminating, BEGIN Statement, END Statement

BEGIN statement, BEGIN Statement, begin-statement

Binary

fixed-point data, Fixed-Point Binary Data
floating-point data, Floating-Point Data

BINARY attribute, BINARY Attribute, Fixed-Point Binary Data

in floating-point declarations, Floating-Point Variables

BINARY built-in function, BINARY

BIT attribute, BIT Attribute, Bit-String Variables

BIT built-in function, BIT

Bit strings, Bit-String Data

alignment, Alignment of Bit-String Data

as integers, Internal Representation of Bit Data

concatenation, Concatenation Operator

constants, Bit-String Constants

hexadecimal, Bit-String Constants
maximum length, Bit-String Constants
octal, Bit-String Constants
specifying base, Bit-String Constants

converting, Bit Strings and Integers

from other types to, Assignments to Bit-String Variables
to arithmetic, Built-In Conversion Functions, Bit-String to Arithmetic Conversions
to character, Built-In Conversion Functions
to character-string, Bit-String to Character-String Conversion

declaring variables, Bit-String Variables

derived type and precision of, Built-In Conversion Functions

in relational expressions, Bit-String Comparisons

internal representation, Internal Representation of Bit Data

length

maximum, Bit-String Data
specifying, Bit-String Variables

locating substrings, INDEX

operator, Logical Operators

overlay defining, Rules for Overlay Defining

passing as arguments

by reference, Passing Arguments by Reference
by value, Passing Arguments by Immediate Value

storage in memory, Internal Representation of Bit Data

unaligned, Internal Representation of Aggregate Data

passing as arguments, Passing Arguments by Descriptor
restrictions on use, Alignment of Bit-String Data

variables, Bit-String Variables

Block, Blocks

activation, Block Activation

parent, Relationship of Block Activations
procedure invocation, Specifying Entry Points
relationships among, Relationship of Block Activations

begin block, Blocks, Begin Blocks, BEGIN Statement

containment, Containment

dynamic descendants, Relationship of Block Activations

nesting, Containment

procedure, Blocks

procedure block, Procedure Blocks

procedure invocation, Procedure Blocks

terminating, Block Termination, END Statement

BLOCK_BOUNDARY_FORMAT

ENVIRONMENT option, Summary of Options

BLOCK_IO

ENVIRONMENT option, Summary of Options

BLOCK_SIZE

ENVIRONMENT option, Summary of Options

Boolean

operation

defining with BOOL, BOOL

test, IF Statement

value, Bit-String Data

Bound pair

array, Array Declarations

Bounds

of array dimensions

determining lower, LBOUND
determining upper, HBOUND
rules, Array Declarations
specifying, Array Declarations

BUCKET_SIZE

ENVIRONMENT option, Summary of Options

Built-in function

arguments, Built-In Function Arguments
condition in, Conditions Signaled
conversion, Built-In Conversion Functions
defining with BUILTIN attribute, BUILTIN Attribute
preprocessor, Preprocessor Built-In Functions
result type, Built-In Function Arguments
summary, Summary of Built-In Functions

Built-in subroutines, Built-In Subroutines

DISPLAY, Built-In Subroutines
EXTEND, Built-In Subroutines
FLUSH, Built-In Subroutines
FREE, Built-In Subroutines
NEXT_VOLUME, Built-In Subroutines
RELEASE, Built-In Subroutines
RESIGNAL, Completion of ON-Units, Built-In Subroutines

BUILTIN attribute, BUILTIN Attribute, Functions and Function References

BY option of DO statement, Controlled DO

BYTE built-in function, BYTE

BYTE preprocessor built-in function, BYTE

BYTESIZE built-in function, BYTESIZE

C

CALL statement, CALL Statement, call-statement

calling non-PL/I procedures, Passing Arguments by Immediate Value

passing character strings, Passing Arguments by Descriptor

to invoke a procedure, Procedure Blocks

Calling a procedure

non-PL/I, ANY Attribute, VALUE Attribute, Passing Arguments by Immediate Value, Passing Arguments by Descriptor, Procedure-Calling and Condition-Handling Extensions

CARRIAGE_RETURN_FORMAT

ENVIRONMENT option, Summary of Options

CDD (OpenVMS Common Data Dictionary), Miscellaneous Extensions

CDD (VAX Common Data Dictionary)

data types, %DICTIONARY

CDD VAX Common Data Dictionary, %DICTIONARY

CEIL built-in function, CEIL

CHARACTER attribute, CHARACTER Attribute, Character-String Variables

CHARACTER built-in function, CHARACTER

Character set

ASCII, Digital Multinational Character Set

obtaining strings, COLLATE

Digital Multinational Character Set, Digital Multinational Character Set

Character strings, Character-String Data

alignment, Alignment of Character Strings

comparing with VERIFY, VERIFY

concatenation, Concatenation Operator

constants, Character-String Constants

continuing on more than one line, Spaces, Tabs, and Line-End Characters

converting

from other types to, Assignments to Character-String Variables
to arithmetic, Built-In Conversion Functions, Character-String to Arithmetic Conversions
to bit, Built-In Conversion Functions
to bit-string, Character-String to Bit-String Conversions

data, Character-String Data

declaring, CHARACTER Attribute

as parameters, Character-String Parameters

derived type and precision of, Built-In Conversion Functions

determining length, LENGTH

fixed-length, Fixed-Length Character-String Variables

internal representation, Internal Representation of Fixed-Length Character Data

in relational expression, Character-String Comparisons

length

specifying, Character-String Variables

locating substrings, INDEX

overlay defining, Rules for Overlay Defining

passing as arguments, Character-String Parameters

by descriptor, Passing Arguments by Descriptor

variables, Character-String Variables

varying-length, VARYING Attribute, Varying-Length Character-String Variables

internal representation, Internal Representation of Varying Character Data

Characters

picture, Picture Characters
substituting with TRANSLATE, TRANSLATE
used for punctuation in PL/I, Punctuation

Circumflex (^)

prefix operator, Operators and Operands

CLOSE statement, Closing a File, close-statement

ENVIRONMENT attribute, Closing a File

COLLATE

built-in function, COLLATE

COLUMN format item

definition, COLUMN Format item

Comma (,) picture character, Insertion Characters (, . / B)

Comments, Comments

rules for entering, Comments

Common Data Dictionary (see CDD)

Comparison operator, Punctuation

Compatibility with PL/I standards, Compatibility with PL/I Standards

Compatible data types, Compatible Data Types

Compiler

differences between Endless PL/I V3.9 for OpenVMS VAX and Endless PL/I V5.0 for OpenVMS Alpha, Differences Between Endless PL/I V3.9 for OpenVMS VAX and Endless PL/I V5.0 for OpenVMS Alpha
differences between Endless Software Solutions implementations and standard PL/I, Differences Between Endless PL/I V3.9 for OpenVMS VAX and Endless PL/I V5.0 for OpenVMS Alpha

Compiler messages

%ERROR, %ERROR
%FATAL, %FATAL
%INFORM, %INFORM
%WARN, %WARN

Completion

ON-unit, Completion of ON-Units

Compound statement, Compound Statements

Computational data

summary of attributes, Attributes, Computational Data Type Attributes

Computational data type attributes, Computational Data Type Attributes

Concatenation

COPY built-in function, COPY
operator, Punctuation, Concatenation Operator
required operands, Operators and Operands

Condition

data

in relational expressions, Comparing Noncomputational Data
internal representation, Condition Data

CONDITION attribute, Restriction

CONDITION condition, CONDITION Condition Name

Condition data, Condition Data

Condition handling, Condition Handling

built-in functions

ONARGSLIST, ONARGSLIST
ONCHAR, ONCHAR
ONCODE, ONCODE
ONFILE, ONFILE
ONKEY, ONKEY
ONSOURCE, ONSOURCE

ON statement, ON Statement

Conditions

ANYCONDITION, ANYCONDITION Condition Name
AREA, AREA Condition Name
CONDITION, CONDITION Condition Name
CONVERSION, CONVERSION Condition Name
decimal overflow, FIXEDOVERFLOW Condition Name
ENDFILE, ENDFILE Condition Name
ENDPAGE, ENDPAGE Condition Name
ERROR, ERROR Condition Name
FINISH, FINISH Condition Name
FIXEDOVERFLOW, FIXEDOVERFLOW Condition Name
handling, Condition Handling
in built-in functions, Conditions Signaled
integer overflow, FIXEDOVERFLOW Condition Name
KEY, KEY Condition Name
OVERFLOW, OVERFLOW Condition Name
signal, SIGNAL Statement
STORAGE, STORAGE Condition Name
STRINGRANGE, STRINGRANGE Condition Name
UNDEFINEDFILE, UNDEFINEDFILE Condition Name
UNDERFLOW, UNDERFLOW Condition Name (Endless PL/I V3.9 for OpenVMS VAX only)
VAXCONDITION, VAXCONDITION Condition Name
ZERODIVIDE, ZERODIVIDE Condition Name

Connected array, Connected and Unconnected Arrays

Constants

bit-string, Bit-String Constants
character-string, Character-String Constants
entry, Entry Constants
file, File Constants, File Declarations
fixed-point decimal, Fixed-Point Decimal Constants
floating-point, Floating-Point Constants
in argument list, Dummy Arguments
integer, Fixed-Point Binary Data
label, Label Data
label array, Label Array Constants

Containment, Blocks, Containment

CONTIGUOUS

ENVIRONMENT option, Summary of Options

CONTIGUOUS_BEST_TRY

ENVIRONMENT option, Summary of Options

CONTROLLED attribute, CONTROLLED Attribute

Controlled DO statement, Controlled DO

Controlled variables, CONTROLLED Attribute, Controlled Variables

obtaining storage, ALLOCATE Statement

Conversion

ASCII to integer, RANK

CONVERSION condition, CONVERSION Condition Name

Conversions, Implicit Conversion During Assignment, CONVERSION Condition Name

arithmetic to arithmetic, Arithmetic to Arithmetic Conversions

arithmetic to bit-string, Arithmetic to Bit-String Assignments

arithmetic to character-string, Arithmetic to Character-String Conversions

bit-string to arithmetic, Bit-String to Arithmetic Conversions

bit-string to character-string, Bit-String to Character-String Conversion

built-in functions

BINARY, BINARY
BIT, BIT
BYTE, BYTE
CHARACTER, CHARACTER
DECIMAL, DECIMAL
DECODE, DECODE
ENCODE, ENCODE
FIXED, FIXED
FLOAT, FLOAT
INT, INT
POSINT, POSINT
RANK, RANK
UNSPEC, UNSPEC

character-string to arithmetic, Character-String to Arithmetic Conversions

character-string to bit-string, Character-String to Bit-String Conversions

integer to ASCII, BYTE

of argument, Conversion of Arguments

of operands, Derived Data Types for Arithmetic Operations

offset to pointer, Conversions Between Offsets and Pointers

performed by Endless PL/I V3.9 for OpenVMS VAX, Implicit Conversions

performed by Endless PL/I V5.0 for OpenVMS Alpha, Implicit Conversions

pictured to arithmetic, Pictured to Arithmetic Conversions

pictured to bit-string, Pictured to Bit-String Conversions

pictured to character-string, Assignments to Character-String Variables, Pictured to Character-String Conversion

pointer to offset, Conversions Between Offsets and Pointers

to bit-string, Assignments to Bit-String Variables, BIT

to character-string, Assignments to Character-String Variables, CHARACTER

to decimal, DECIMAL

to fixed point, FIXED

to floating point, FLOAT

to picture, Assignments to Pictured Variables

Conversions to Endless PL/I V3.9 for OpenVMS VAX, Migration Notes

Conversions to Endless PL/I V5.0 for OpenVMS Alpha, Migration Notes

COPY built-in function, COPY

COPY preprocessor built-in function, COPY

COS built-in function, COS

COSD built-in function, COSD

COSH built-in function, COSH

CREATION_DATE

ENVIRONMENT option, Summary of Options

Credit (CR) picture character, Credit (CR) and Debit (DB) Characters

Current record, Position Information for a Record File

CURRENT_POSITION

ENVIRONMENT option, Summary of Options

D

D-floating format

range of precision, Floating-Point Data Formats

Data, Data and Variables

conversion, Implicit Conversion During Assignment, CONVERSION Condition Name

Data attributes

default, Default Attributes

Data conversions, Expressions and Data Conversions

contexts, Contexts in which PL/I Converts Data

Data types, Data Types

area, Area Data

arguments

passed by descriptor, Passing Arguments by Descriptor
passed by immediate value, Passing Arguments by Immediate Value
passed by reference, Passing Arguments by Reference

arithmetic, Arithmetic Data

converting to nonarithmetic, Built-In Conversion Functions
default attributes, Default Attributes
default precision, Precision and Scale of Arithmetic Data Types
fixed-point binary, Fixed-Point Binary Data
precision of, Precision and Scale of Arithmetic Data Types

bit-string, Bit-String Data

character-string, Character-String Data

compatible, Compatible Data Types

computational, Summary of Data Types

condition, Condition Data

conversion between, Data Type Conversion of Operands and Expressions

declaring, Declarations

default attributes, Default Attributes

for arithmetic operands, Arithmetic Operands
of constants, Attributes of Constants

derived, Derived Data Types for Arithmetic Operations

entry, Entry Data

file, File Data, Input and Output

fixed-point binary, Fixed-Point Binary Data

fixed-point decimal, Fixed-Point Decimal Data

floating-point, Floating-Point Data

for CDD declarations, %DICTIONARY

label, Label Data

nonarithmetic

converting to arithmetic, Built-In Conversion Functions

noncomputational, Summary of Data Types

in relational expression, Comparing Noncomputational Data

pictured, Pictured Data

pointer, Pointer Data

summary, Summary of Data Types

DATE built-in function, DATE

DATE preprocessor built-in function, DATE

DATETIME built-in function, DATETIME

DATETIME preprocessor built-in function, DATETIME

Day of month

obtaining current, DATE, DATETIME

Debit (DB) picture character, Credit (CR) and Debit (DB) Characters

DECIMAL attribute, DECIMAL Attribute

in floating-point declarations, Floating-Point Variables

DECIMAL built-in function, DECIMAL

Decimal data

declaring, DECIMAL Attribute
fixed-point data, Fixed-Point Decimal Data
FIXEDOVERFLOW, FIXEDOVERFLOW Condition Name
floating overflow, OVERFLOW Condition Name
floating underflow, UNDERFLOW Condition Name (Endless PL/I V3.9 for OpenVMS VAX only)
floating-point data, Floating-Point Data

Decimal place

in picture, Decimal Place Character (V)

Declaration, Declarations, Declarations

array, Array Declarations, Array Declarations
file, File Declarations
location of, Example
more than one name in a DECLARE, Multiple Simple Declarations
of variables with same attributes, Factored Simple Declarations
simple, Simple Declarations
structure, Structure Declarations, Structure Declarations and Attributes

DECLARE statement, DECLARE Statement, declare-statement

array declarations, Array Declarations

DECODE built-in function, DECODE

DECODE preprocessor built-in function, DECODE

DEFAULT_FILE_NAME

ENVIRONMENT option, Summary of Options

DEFERRED_WRITE

ENVIRONMENT option, Summary of Options

DEFINED attribute, DEFINED Attribute, Defined Variables

Defined variables

specifying position in base, POSITION Attribute

DELETE

ENVIRONMENT option, Summary of Options, Closing a File

Delete

records, DELETE Statement

DELETE statement, Input and Output, DELETE Statement, delete-statement

Derived type, Derived Data Types for Arithmetic Operations

of bit and character strings, Built-In Conversion Functions

Descendants

dynamic

of blocks, Relationship of Block Activations, Establishment of ON-Units

Descriptor

argument passing, Passing Arguments by Descriptor
data types created for, Passing Arguments by Descriptor

DESCRIPTOR attribute, Restriction

DESCRIPTOR built-in function, DESCRIPTOR

specifying in argument, Passing Arguments by Descriptor
using, Passing Arguments by Descriptor

Diagnostic messages

%ERROR, %ERROR
%FATAL, %FATAL
%INFORM, %INFORM
%WARN, %WARN
user-generated, User-Generated Diagnostic Messages

Differences

Endless PL/I V3.9 for OpenVMS VAX and Endless PL/I V5.0 for OpenVMS Alpha, Differences Between Endless PL/I V3.9 for OpenVMS VAX and Endless PL/I V5.0 for OpenVMS Alpha

Digital Multinational Character Set, Digital Multinational Character Set

DIMENSION attribute, DIMENSION Attribute

DIMENSION built-in function, DIMENSION

Dimensions

array of structures

rules, Arrays of Structures that Contain Arrays

rules for specifying, Array Declarations

DIRECT attribute, DIRECT Attribute, File Description Attributes and Options

DISPLAY built-in subroutine, Built-In Subroutines

DIVIDE built-in function, DIVIDE

Division

controlling precision, DIVIDE
ZERODIVIDE condition, ZERODIVIDE Condition Name

DO statement, DO Groups and Statements, do-statement

controlled DO, Controlled DO

logic, Example

DO REPEAT

logic, DO REPEAT

DO UNTIL, DO UNTIL

DO WHILE, DO WHILE

format, DO Groups and Statements

REPEAT option, DO REPEAT

simple, Simple DO

DO-group, DO Groups and Statements

nesting, DO Groups and Statements
termination, END Statement

Documentation

program, Comments

Dollar ($) picture character, Drifting Characters ($, +, -, S)

Double-precision floating point

range of precision, Floating-Point Data Formats

Drifting picture character, Drifting Characters ($, +, -, S)

Dummy argument, Dummy Arguments

example, Parameters and Arguments
forcing creation of, Argument Matching

Dynamic descendants

of blocks, Relationship of Block Activations, Establishment of ON-Units

E

E format item

definition, E Format Item

EDIT option

GET statement, GET EDIT
PUT statement, PUT EDIT

Elements

array, Array Declarations, Array Declarations

referring to, References to Individual Elements

Embedded preprocessor

See Preprocessor, Preprocessor

Empty argument list, Functions and Function References

EMPTY built-in function, Allocation in Areas, EMPTY

ENCODE built-in function, ENCODE

ENCODE preprocessor built-in function, ENCODE

Encoded-sign picture characters, Encoded-Sign Characters (T, I, R)

END statement, Terminating Procedures, END Statement, end-statement

ENDFILE condition, ENDFILE Condition Name

signaled, File Positioning Following a READ Statement

Endless Software Solutions implementations of PL/I

differences from standard PL/I, Differences Between Endless PL/I V3.9 for OpenVMS VAX and Endless PL/I V5.0 for OpenVMS Alpha

ENDPAGE condition, ENDPAGE Condition Name

signaled, PAGESIZE Option

Entry

constants, Entry Constants

data, Entry Data

attributes, Attributes, Entry Name Attributes
in relational expressions, Comparing Noncomputational Data
internal representation, Internal Representation of Variable Entry Data
VARIABLE attribute, VARIABLE Attribute

points

alternate, ENTRY Statement
ENTRY attribute, ENTRY Attribute
invoking, Specifying Entry Points
multiple, Multiple Entry Points
procedure, Specifying Entry Points
specifying attributes of return value, RETURNS Attribute

values, Entry Values

variables, Entry Variables

ENTRY attribute, ENTRY Attribute

declaring non-PL/I procedures, Passing Arguments by Immediate Value

ENTRY statement, ENTRY Statement, entry-statement

ENVIRONMENT attribute, ENVIRONMENT Attribute

CLOSE options, Closing a File

ERROR condition, ERROR Condition Name

determining error status value, ONCODE

signaled, READ Statement, WRITE Statement

by default ON-unit, Default PL/I ON-Unit
in assignment to pictured variable, Assigning Values to Pictured Variables

Error handling

of file-related error, ONFILE
ON condition, Condition Handling
ONCHAR built-in function, ONCHAR
ONCODE built-in function, ONCODE

Error messages, %ERROR

ERROR preprocessor built-in function, ERROR

Errors

arithmetic operations

dividing by zero, ZERODIVIDE Condition Name

at run-time

conversion, Implicit Conversion During Assignment

compiler

implicit conversion, Implicit Conversion During Assignment

files

handling opening error, UNDEFINEDFILE Condition Name

handling VAX-specific conditions, VAXCONDITION Condition Name

Evaluation

of built-in functions, Built-In Function Arguments
of expression, Precedence of Operators and Expression Evaluation

EVERY built-in function, EVERY

Exclusive OR, Examples

EXCLUSIVE OR operator, EXCLUSIVE OR

EXP built-in function, EXP

EXPIRATION_DATE

ENVIRONMENT option, Summary of Options

Exponent

floating-point data, Floating-Point Constants

Expressions, Expressions and Data Conversions

area variable in, Area Variables in Expressions

bit-string data, Bit-String Comparisons

character-string data, Character-String Comparisons

condition data, Comparing Noncomputational Data

conversion

of operands, Derived Data Types for Arithmetic Operations, Conversion of Operands in Nonarithmetic Operations

converted precision, Derived Data Types for Arithmetic Operations

derived type, Derived Data Types for Arithmetic Operations

entry data, Comparing Noncomputational Data

evaluation, Precedence of Operators and Expression Evaluation

file data, Comparing Noncomputational Data

in argument list, Dummy Arguments

label data, Comparing Noncomputational Data

logical, Logical Operators

noncomputational data, Comparing Noncomputational Data

offset variable in, Comparing Noncomputational Data

offset variables in, Offset Data

pointer variable in, Pointer Variables in Expressions, Comparing Noncomputational Data

precedence of operations, Precedence of Operators and Expression Evaluation, Operators

relational, Relational Operators

restricted integer, Array Declarations

using as subscripts, References to Individual Elements

EXTEND built-in subroutine, Built-In Subroutines

Extensions to standard PL/I, PL/I-Specific Extensions for OpenVMS VAX and OpenVMS Alpha Platforms

EXTENSION_SIZE

ENVIRONMENT option, Summary of Options

Extents

array, Array Declarations, Array Declarations
determining, DIMENSION
static variables, Static Variables
structure members, Attributes for Structure Variables

External

procedures, EXTERNAL Attribute

EXTERNAL attribute, EXTERNAL Attribute, External Variables

External procedures, Procedure Blocks, Calling External and Internal Procedures

External storage class, External Variables

F

F format item

definition, F Format Item

F-floating format

range of precision, Floating-Point Data Formats

Fatal messages, %FATAL

Fields, Input and Output

File, Input and Output

accessing existing file, Accessing an Existing File

attributes, Opening a File, File Description Attributes and Options

DIRECT, DIRECT Attribute
INPUT, INPUT Attribute
KEYED, KEYED Attribute
merged at open, Establishing the File's Attributes
OUTPUT, OUTPUT Attribute
PRINT, PRINT Attribute
RECORD, RECORD Attribute
SEQUENTIAL, SEQUENTIAL Attribute
STREAM, STREAM Attribute
UPDATE, UPDATE Attribute

CLOSE statement, Closing a File

closing, Closing a File

constant, File Declarations

constants, File Constants

creating, Creating a File

data

in relational expression, Comparing Noncomputational Data
VARIABLE attribute, VARIABLE Attribute

declaration, File Declarations

delete record, DELETE Statement

determining current page number, PAGENO

key error, KEY Condition Name

OPEN statement, Opening a File

opening, Opening a File

error condition, UNDEFINEDFILE Condition Name

options, OPEN Statement Options

printing file, Print File

read, READ Statement

record, Record I/O

sequential, SEQUENTIAL Attribute

source

%INCLUDE text, %INCLUDE

specifying line size, LINESIZE Option

specifying page size, PAGESIZE Option

stream, Terminal I/O

See Stream file, STREAM Attribute

updating, UPDATE Attribute, REWRITE Statement

values, File Values

variable, File Variables

variables, File Variables

writing, WRITE Statement

FILE attribute, FILE Attribute

File control

built-in functions

LINENO, LINENO
PAGENO, PAGENO

File specifications

determining, Determining the File Specification
for error, ONFILE
specifying in OPEN, TITLE Option

Files

description attributes, Attributes, File Description Attributes

FILE_ID

ENVIRONMENT option, Summary of Options

FILE_ID_TO

ENVIRONMENT option, Summary of Options

FILE_SIZE

ENVIRONMENT option, Summary of Options

FINISH condition, FINISH Condition Name

signaled

STOP statement, STOP Statement

FIXED attribute, FIXED Attribute, Fixed-Point Binary Data

FIXED built-in function, FIXED

Fixed-length

character-strings, Character-String Variables

Fixed-point data

binary, Fixed-Point Binary Data

conversion, Conversions from FIXED BINARY to Other Data Types
internal representation, Internal Representation of Fixed-Point Binary Data

decimal, Fixed-Point Decimal Data

constant, Fixed-Point Decimal Constants
internal representation, Internal Representation of Fixed-Point Decimal Data
precision, Fixed-Point Decimal Constants
scale factor, Fixed-Point Decimal Constants
use in expressions, Use in Expressions
variables, Fixed-Point Decimal Variables

declaring, FIXED Attribute

overflow condition, FIXEDOVERFLOW Condition Name

FIXEDOVERFLOW condition, FIXEDOVERFLOW Condition Name

signaled

assignment to pictured variable, Decimal Place Character (V), Assigning Values to Pictured Variables
exceeding maximum integer value, Fixed-Point Binary Data

FIXED_CONTROL option

READ statement, READ Statement

FIXED_CONTROL_FROM option

WRITE statement, WRITE Statement

FIXED_CONTROL_SIZE

ENVIRONMENT option, Summary of Options

FIXED_CONTROL_SIZE_TO

ENVIRONMENT option, Summary of Options

FIXED_LENGTH_RECORDS

ENVIRONMENT option, Summary of Options

FLOAT attribute, FLOAT Attribute

FLOAT built-in function, FLOAT

Floating-point data, Floating-Point Data

constant, Floating-Point Constants
declare, FLOAT Attribute
default precision, Floating-Point Data Formats
OpenVMS Alpha internal representation, OpenVMS Alpha Internal Representation of Floating-Point Data
OVERFLOW condition, OVERFLOW Condition Name
range of formats, Floating-Point Data Formats
range of precision, Floating-Point Data Formats
supported formats, Floating-Point Data Formats
UNDERFLOW condition, UNDERFLOW Condition Name (Endless PL/I V3.9 for OpenVMS VAX only)
using in expressions, Using Floating-Point Data in Expressions
VAX internal representation, OpenVMS VAX Internal Representation of Floating-Point Data

FLOOR built-in function, FLOOR

FLUSH built-in subroutine, Built-In Subroutines

Format

of source program, Program Format

Format items, Format Items

A, A Format Item
B, B Format Items
COLUMN, COLUMN Format item
E, E Format Item
F, F Format Item
iteration factor, Format Specifications
LINE, LINE Format Item
list, FORMAT Statement, Format-Specification List
P, P Format Item
PAGE, PAGE Format Item
R, R Format Item
repetition of, Format Specifications
SKIP, SKIP Format Item
TAB, TAB Format Item
X, X Format Item

Format specification, Format Specifications

list, Format-Specification List

FORMAT statement, FORMAT Statement, format-statement

label restriction, Label Array Constants

FREE built-in subroutine, Built-In Subroutines

FREE statement, Controlled Variables, FREE Statement, free-statement

FROM option

REWRITE statement, REWRITE Statement
WRITE statement, WRITE Statement

Functions, Functions and Function References

built-in, Built-In Functions, Subroutines, and Pseudovariables

external, Calling External and Internal Procedures

invoking procedure with, Procedure Blocks

invoking with no arguments, Functions and Function References

references to, Functions and Function References

RETURN statement, RETURN Statement

specifying attributes of return value, RETURNS Attribute

terminating, Terminating Procedures

user-written

requirements, Functions and Function References

G

G-floating format

range of precision, Floating-Point Data Formats

GET statement, Input and Output, Input by the GET Statement, get-statement

assigning values to array elements, Using GET and PUT Statements with Array Variables
conversion of values, Contexts in which PL/I Converts Data
execution of, Execution of the GET Statement
forms, Syntax Summary of the GET Statement
GET EDIT, GET EDIT
GET LIST, GET LIST
GET SKIP, GET SKIP
options, Syntax Summary of the GET Statement

GLOBALDEF attribute, GLOBALDEF Attribute, External Variables

GLOBALREF attribute, GLOBALREF Attribute, External Variables

GOTO statement, GOTO Statement, goto-statement

nonlocal GOTO, Nonlocal GOTO
terminating subroutines or function, Terminating Procedures

Groups

terminating, END Statement

GROUP_PROTECTION

ENVIRONMENT option, Summary of Options

H

H-floating format

range of precision, Floating-Point Data Formats

HBOUND built-in function, HBOUND

HIGH built-in function, HIGH

I

I picture character, Encoded-Sign Characters (T, I, R)

IDENT option

PROCEDURE statement, PROCEDURE Statement

Identifiers, Identifiers

associating with variables, Data and Variables
rules for forming, Identifiers

IF statement, IF Statement, if-statement

nesting, Nested IF Statements

IGNORE_LINE_MARKS

ENVIRONMENT option, Summary of Options

Immediate containment, Containment

Implementation-defined values, Implementation-Defined Values and Features

IN option

ALLOCATE statement, Allocation in Areas

INDEX built-in function, INDEX

INDEX preprocessor built-in function, INDEX

INDEXED

ENVIRONMENT option, Summary of Options

Indexed sequential files

key

error handling, KEY Condition Name

KEYED attribute, KEYED Attribute

ONKEY built-in function, ONKEY

INDEX_NUMBER

ENVIRONMENT option, Summary of Options

INDEX_NUMBER option

READ statement, READ Statement

Infix operator, Operators and Operands

INFORM built-in function, INFORM

INFORM preprocessor built-in function, INFORM

Informational messages, %INFORM

INITIAL attribute, INITIAL Attribute

with arrays, Initializing Arrays
with structures, Initializing Structures

Initialize

structures, Initializing Structures

INITIAL_FILL

ENVIRONMENT option, Summary of Options

Input

records, Record I/O

READ statement, READ Statement

stream, Execution of the GET Statement

GET statement, Input by the GET Statement
rules for specifying, Specifying Input Data

INPUT attribute, INPUT Attribute, File Description Attributes and Options

Input/Output

area, Reading and Writing Areas

format list, FORMAT Statement

record files, Record I/O

statements

DELETE, DELETE Statement
GET, Input by the GET Statement
PUT, Output by the PUT Statement
READ, READ Statement
REWRITE, REWRITE Statement
WRITE, WRITE Statement

stream files, Stream I/O

terminal, Terminal I/O

Insertion of picture character, Insertion Characters (, . / B)

INT built-in function, INT

INT pseudovariable, INT Pseudovariable

Integer constants

representation, Fixed-Point Binary Data

Integer data

overflow condition, FIXEDOVERFLOW Condition Name

Integer expression

restricted, AREA Attribute, BIT Attribute

Integers

fixed-point binary, Fixed-Point Binary Data
fixed-point decimal, Fixed-Point Decimal Data
maximum values, Fixed-Point Binary Data

Internal

representation

with UNSPEC, UNSPEC, UNSPEC Pseudovariable

INTERNAL attribute, INTERNAL Attribute

Internal procedures, Procedure Blocks

Internal variables, Internal Variables

Interrupts

handling with ON statement, ON Statement

Iteration factor

INITIAL attribute, INITIAL Attribute, Initializing Arrays
initializing array, Iteration Factors
picture, Iteration Factor (n)
with format item, Format Specifications

K

KEY condition, KEY Condition Name

determining key that caused, ONKEY
signaled, READ Statement, WRITE Statement, DELETE Statement, REWRITE Statement

KEY option

DELETE statement, DELETE Statement
READ statement, READ Statement
REWRITE statement, REWRITE Statement

KEYED attribute, KEYED Attribute, File Description Attributes and Options

KEYFROM option

WRITE statement, WRITE Statement

KEYTO option

READ statement, READ Statement

Keyword statement, Simple Statements

Keywords, Keywords, Alphabetic Summary of Keywords

not supported, Keywords Not Supported
recognition from context, Keywords

L

LABEL attribute, LABEL Attribute

Labels, Label Data

array constant, Label Array Constants

constant, Label Data

data

in relational expression, Comparing Noncomputational Data
VARIABLE attribute, VARIABLE Attribute

restrictions, Label Variables

subscripted, Label Array Constants

transferring control to, GOTO Statement

value, Label Values

operations, Label Values

variable, Label Variables

declaring, LABEL Attribute
internal representation, Internal Representation of Variable Label Data

LBOUND built-in function, LBOUND

LEAVE statement, LEAVE Statement, leave-statement

Left-to-right equivalence

matching based variables by, Matching by Left-to-Right Equivalence

LENGTH built-in function, LENGTH

using, Varying-Length Character-String Variables

Length of strings

determining, LENGTH

LENGTH preprocessor built-in function, LENGTH

Level numbers

rules for specifying, Structure Declarations and Attributes

Lexical elements

comments, Comments
identifiers, Identifiers
keywords, Keywords, Spaces, Tabs, and Line-End Characters
punctuation, Punctuation

LIKE attribute, LIKE Attribute, Member Attributes

using, Using the LIKE Attribute

Line end character, Spaces, Tabs, and Line-End Characters

LINE format item

definition, LINE Format Item

Line numbers

of files

determining, LINENO

LINE option

PUT statement, PUT LINE

LINE preprocessor built-in function, LINE

Line size

default, LINESIZE Option
specifying, LINESIZE Option

LINENO built-in function, LINENO

LINESIZE option, LINESIZE Option

LIST Attribute, LIST Attribute

LIST option

GET statement, GET LIST
PUT statement, PUT LIST

Listing control

statements, %LIST_xxx, %NOLIST_xxx

Lists

of declarations, Multiple Simple Declarations

Locator qualifier, Referring to Based Variables

Locator qualifiers, Using the ALLOCATE Statement

LOG built-in function, LOG

LOG10 built-in function, LOG10

LOG2 built-in function, LOG2

Logarithm

computing base 10, LOG10
computing base 2, LOG2
computing natural, LOG

Logical expressions, Logical Operators

evaluation, Logical Operators

Logical operations

NOT, Operators and Operands

Logical operator, Punctuation, Logical Operators

Logical operators

AND, AND
AND THEN, AND THEN
EXCLUSIVE OR, EXCLUSIVE OR
NOT, NOT
OR, OR
OR ELSE, OR ELSE

LOW built-in function, LOW

Lowercase and uppercase letters

in identifier, Identifiers

LTRIM built-in function, LTRIM

M

MAIN option

PROCEDURE statement, PROCEDURE Statement

Main procedure, Procedure Blocks

Major structures

restriction on INITIAL, Initializing Structures

Mantissa, Floating-Point Constants

Matching

based variable references, Data-Type Matching for Based Variables
parameter and argument, Argument Matching

MATCH_NEXT option

READ statement, READ Statement

MATCH_NEXT_EQUAL option

READ statement, READ Statement

Mathematical

built-in functions

ACOS, ACOS
ASIN, ASIN
ATAN, ATAN
ATAND, ATAND
ATANH, ATANH
COS, COS
COSD, COSD
COSH, COSH
EXP, EXP
LOG, LOG
LOG10, LOG10
LOG2, LOG2
SIN, SIN
SIND, SIND
SINH, SINH
SQRT, SQRT
TAN, TAN
TAND, TAND
TANH, TANH

Mathematical functions

evaluation of, Built-In Function Arguments

MAX built-in function, MAX

MAX preprocessor built-in function, MAX

MAXIMUM_RECORD_NUMBER

ENVIRONMENT option, Summary of Options

MAXIMUM_RECORD_SIZE

ENVIRONMENT option, Summary of Options

MAXLENGTH built-in function, MAXLENGTH

using, Varying-Length Character-String Variables

MEMBER attribute, MEMBER Attribute

Member attributes, Attributes, Member Attributes

LIKE, Using the LIKE Attribute
REFER, Using the REFER Option
TYPE, Using the TYPE Attribute
UNION, Using The UNION Attribute On Structure Declarations

Memory

locating

variables in, ADDR

Messages

compiler

implicit conversion, Implicit Conversion During Assignment
suppressing warning, Implicit Conversion During Assignment

diagnostic, %ERROR, %FATAL, %INFORM, %WARN

Migration notes, Migration Notes

MIN built-in function, MIN

MIN preprocessor built-in function, MIN

Minor structure

restriction on INITIAL, Initializing Structures

Minus sign (-)

picture character, Drifting Characters ($, +, -, S)
prefix operator, Operators and Operands

MOD built-in function, MOD

MOD preprocessor built-in function, MOD

Month

obtaining current, DATE, DATETIME

MULTIBLOCK_COUNT

ENVIRONMENT option, Summary of Options

MULTIBUFFER_COUNT

ENVIRONMENT option, Summary of Options

Multinational character set, Digital Multinational Character Set

Multiple entry points, Multiple Entry Points

MULTIPLY built-in function, MULTIPLY

N

Names

declaration, DECLARE Statement
rules for identifiers, Identifiers
scope, Blocks

Nesting

%INCLUDE statement, Restrictions
DO-group, DO Groups and Statements
IF statement, Nested IF Statements
of blocks, Containment
SELECT statements, Nested SELECT Statements

Next record, Position Information for a Record File

NEXT_VOLUME built-in subroutine, Built-In Subroutines

Nine (9) picture character, Digit Characters (9, Z, *, Y)

NOLIST_xxx

%NOLIST_ALL, %NOLIST_xxx
%NOLIST_DICTIONARY, %NOLIST_xxx
%NOLIST_SOURCE, %NOLIST_xxx
NOLIST_INCLUDE, %NOLIST_xxx
NOLIST_MACHINE, %NOLIST_xxx

Noncomputational data type attributes, Noncomputational Data Type Attributes

Nonlocal GOTO, Terminating Procedures, Nonlocal GOTO

Nonmatching based variable reference, Nonmatching Based Variable References

NONRECURSIVE option

ENTRY statement, ENTRY Statement
PROCEDURE statement, PROCEDURE Statement

NONVARYING attribute, Restriction

NOT operator, Operators and Operands, NOT

NO_SHARE

ENVIRONMENT option, Summary of Options

Null argument list, Functions and Function References

NULL built-in function, NULL

using, Referring to Based Variables

Null statement, Simple Statements, Null Statement, null-statement

in ON-unit, Contents of an ON-Unit
multiple labeled, Examples

O

OFFSET

attribute, OFFSET Attribute, Offset Data

Offset

data type, Offset Data

OFFSET built-in function, OFFSET

Offsets

converting to pointer, Conversions Between Offsets and Pointers, POINTER

data

in relational expressions, Comparing Noncomputational Data

ON conditions, Condition Handling

ANYCONDITION, ANYCONDITION Condition Name
ENDFILE, ENDFILE Condition Name
FIXEDOVERFLOW, FIXEDOVERFLOW Condition Name
UNDEFINEDFILE, UNDEFINEDFILE Condition Name
UNDERFLOW, UNDERFLOW Condition Name (Endless PL/I V3.9 for OpenVMS VAX only)
VAXCONDITION, VAXCONDITION Condition Name
ZERODIVIDE, ZERODIVIDE Condition Name

ON statement, ON Statement, on-statement

ON-units

argument list for exception, ONARGSLIST
completion, Completion of ON-Units
default PL/I, Default PL/I ON-Unit
invalid statements in, Contents of an ON-Unit
multiple statements in, BEGIN Statement
restoring default handling, REVERT Statement
scope, Establishment of ON-Units
to handle any condition, ANYCONDITION Condition Name

ONARGSLIST built-in function, ONARGSLIST

ONCHAR built-in function, ONCHAR

ONCHAR pseudovariable, ONCHAR Pseudovariable

ONCODE built-in function, KEY Condition Name, UNDEFINEDFILE Condition Name, ONCODE

ONFILE built-in function, ENDFILE Condition Name, ENDPAGE Condition Name, KEY Condition Name, UNDEFINEDFILE Condition Name, ONFILE

ONKEY built-in function, KEY Condition Name, ONKEY

ONSOURCE built-in function, ONSOURCE

ONSOURCE pseudovariable, ONSOURCE Pseudovariable

OPEN statement, Opening a File, open-statement

LINESIZE option, LINESIZE Option
PAGESIZE option, PAGESIZE Option
TITLE option, TITLE Option

Opening a file, Opening a File

accessing existing file, Accessing an Existing File
creating, Creating a File
effects, Effects of Opening a File
file positioning, File Positioning
implied attributes, Establishing the File's Attributes

Operands, Operators and Operands

conversion of, Data Type Conversion of Operands and Expressions

Operations

arithmetic, Arithmetic Data

data type of result, Derived Data Types for Arithmetic Operations
required operands, Operators and Operands

bit-string, Logical Operators

Boolean

defining, BOOL

comparison

required operands, Operators and Operands

concatenation

required operands, Operators and Operands

logical

AND, AND
AND THEN, AND THEN
EXCLUSIVE OR operator, EXCLUSIVE OR
NOT, NOT
OR, OR
OR ELSE, OR ELSE
required operands, Operators and Operands

nonarithmetic, Conversion of Operands in Nonarithmetic Operations

relational

required operands, Operators and Operands

Operators, Operators and Operands

arithmetic, Arithmetic Operators
comparison (see relational)
concatenation, Concatenation Operator
infix, Operators and Operands
logical, Logical Operators
precedence, Precedence of Operators and Expression Evaluation, Operators
prefix, Operators and Operands
relational, Relational Operators

OPTIONAL attribute, OPTIONAL Attribute

OPTIONS option

DELETE statement, DELETE Statement
GET statement, Syntax Summary of the GET Statement
PROCEDURE statement, PROCEDURE Statement
PUT statement, Syntax Summary of the PUT Statement
READ statement, READ Statement
REWRITE statement, REWRITE Statement
WRITE statement, WRITE Statement

OR

exclusive, Examples
operator, OR

OR ELSE operator, OR ELSE

OTHERWISE clause, SELECT Statement

Output

PUT statement, Output by the PUT Statement
records, Record I/O
REWRITE statement, REWRITE Statement
stream, Execution of the PUT Statement
to line printer, Print File
to terminal, Print File
WRITE statement, WRITE Statement

OUTPUT attribute, OUTPUT Attribute, File Description Attributes and Options

Overflow

fixed-point data, FIXEDOVERFLOW Condition Name
floating-point data, OVERFLOW Condition Name

OVERFLOW condition, OVERFLOW Condition Name

Overlay defining, String Overlay Defining

matching based variables by, Matching by Overlay Defining
POSITION attribute, POSITION Attribute
rules for, Rules for Overlay Defining

OWNER_GROUP

ENVIRONMENT option, Summary of Options

OWNER_ID

ENVIRONMENT option, Summary of Options

OWNER_MEMBER

ENVIRONMENT option, Summary of Options

OWNER_PROTECTION

ENVIRONMENT option, Summary of Options

P

P format item

definition, P Format Item
example, Examples

Padding

bit-string, Arithmetic to Bit-String Assignments
character-string, Assignments to Character-String Variables

PAGE format item

definition, PAGE Format Item

Page numbers

current, PAGENO

PAGE option

PUT statement, PUT PAGE

Page size

default, PAGESIZE Option
specifying, PAGESIZE Option

PAGENO built-in function, PAGENO

PAGENO pseudovariable, PAGENO Pseudovariable

Pages

handling end-of-page condition, ENDPAGE Condition Name

PAGESIZE option, PAGESIZE Option

PARAMETER attribute, PARAMETER Attribute

Parameter descriptors, Parameters and Arguments

VALUE attribute in, Passing Arguments by Immediate Value

Parameters, Parameters and Arguments

arrays, Array Parameters

character strings, Character-String Parameters

declaring, Rules for Specifying Parameters

list

relationship to argument list, Parameters and Arguments
specifying in PROCEDURE statement, PROCEDURE Statement

matching with argument, Argument Matching

maximum number allowed, Rules for Specifying Parameters

relationship to argument, Parameters and Arguments

rules for specifying, Rules for Specifying Parameters

structures, Passing Structure Variables as Arguments, Structure Parameters

Parent activation, Relationship of Block Activations

Parentheses

enclosing procedure argument, Argument Matching

Period (.) picture character, Insertion Characters (, . / B)

PICTURE attribute, PICTURE Attribute

Picture characters, Picture Characters

asterisk (*), Digit Characters (9, Z, *, Y)
B, Insertion Characters (, . / B)
comma (,), Insertion Characters (, . / B)
credit (CR), Credit (CR) and Debit (DB) Characters
debit (DB), Credit (CR) and Debit (DB) Characters
dollar ($), Drifting Characters ($, +, -, S)
encoded-sign, Encoded-Sign Characters (T, I, R)
I, Encoded-Sign Characters (T, I, R)
minus (-), Drifting Characters ($, +, -, S)
nine (9), Digit Characters (9, Z, *, Y)
period (.), Insertion Characters (, . / B)
plus (+), Drifting Characters ($, +, -, S)
R, Encoded-Sign Characters (T, I, R)
S, Drifting Characters ($, +, -, S)
slash (/), Insertion Characters (, . / B)
T, Encoded-Sign Characters (T, I, R)
V, Decimal Place Character (V)
Y, Digit Characters (9, Z, *, Y)
Z, Digit Characters (9, Z, *, Y)

Picture specification, Pictured Data

Pictured

converting

to character-string, Pictured to Character-String Conversion

Pictured variables, The Internal Representation of Pictured Variables

Pictures

character, Picture Characters

converting from other types, Assignments to Pictured Variables

converting to arithmetic, Pictured to Arithmetic Conversions

converting to bit-string, Pictured to Bit-String Conversions

data, Pictured Data

drifting characters, Drifting Characters ($, +, -, S)

editing by, Editing by Picture

example, Examples

extracting value from, Extracting Values from Pictured Data

format item, P Format Item

input with READ, VALID

insertion characters, Insertion Characters (, . / B)

iteration factor in, Iteration Factor (n)

specification

summary of characters, Picture Characters

validating, VALID

PL/I

differences between Endless Software Solutions implementations and standard PL/I, Differences Between Endless PL/I V3.9 for OpenVMS VAX and Endless PL/I V5.0 for OpenVMS Alpha

PL/I keywords not supported

summary, Keywords Not Supported

PL/I standard

compatibility with, Compatibility with PL/I Standards

Plus sign (+)

picture character, Drifting Characters ($, +, -, S)
prefix operator, Operators and Operands

POINTER attribute, POINTER Attribute

POINTER built-in function, POINTER

Pointer data, Pointer Data

Pointers

adding offset, ADDREL

converting to offset, Conversions Between Offsets and Pointers, OFFSET

data

in relational expression, Comparing Noncomputational Data
internal representation, Internal Representation of Pointer Data

obtaining values, Referring to Based Variables

passing as actual arguments, Passing Arguments by Reference

setting values

ADDR built-in function, ADDR
ALLOCATE statement, ALLOCATE Statement
SET option of READ, READ Statement

valid value, Referring to Based Variables

variable, POINTER Attribute

setting to null value, NULL

POSINT built-In function, POSINT

POSINT pseudovariable, POSINT Pseudovariable

Position (file)

following DELETE, File Positioning Following a DELETE Statement
following READ, File Positioning Following a READ Statement
following REWRITE, File Positioning Following a REWRITE Statement
following WRITE, File Positioning Following a WRITE Statement
record files, Position Information for a Record File
stream I/O, Processing and Positioning of Stream Files

Position (string)

stream I/O, Processing and Positioning of Character Strings

POSITION attribute, POSITION Attribute, Defined Variables

Precedence of operations, Precedence of Operators and Expression Evaluation, Operators

Precision

arithmetic data types, Precision and Scale of Arithmetic Data Types

default, Precision and Scale of Arithmetic Data Types

fixed-point decimal, Fixed-Point Decimal Constants

for floating-point data, Floating-Point Data Formats

pictured variables

defined by drifting characters, Drifting Characters ($, +, -, S)

PRECISION attribute, PRECISION Attribute, Precision and Scale of Arithmetic Data Types

Prefix operator, Operators and Operands

Preprocessor, Preprocessor, Preprocessor

built-in functions, Preprocessor Built-In Functions
statements, Preprocessor, Preprocessor Statements

Preprocessor statements

%ACTIVATE, %ACTIVATE
%DEACTIVATE, %DEACTIVATE
%DECLARE, %DECLARE
%DICTIONARY, %DICTIONARY
%DO, %DO
%END, %END
%ERROR, %ERROR
%FATAL, %FATAL
%GOTO, %GOTO
%IF, %IF
%INCLUDE, %INCLUDE
%INFORM, %INFORM
%LIST_xxx, %LIST_xxx
%NOLIST_xxx, %NOLIST_xxx
%Null, %Null
%PAGE, %PAGE
%PROCEDURE, %PROCEDURE
%REPLACE, %REPLACE Statement
%RETURN, %PROCEDURE, %RETURN Statement
%SBTTL, %SBTTL
%TITLE, %TITLE
%WARN, %WARN
assignment, %Assignment Statement

Preprocessor variables, Preprocessor

PRESENT built-in function, PRESENT

PRINT attribute, PRINT Attribute, File Description Attributes and Options

Print file, Print File

declaring, PRINT Attribute

Printers

files

handling end-of-page condition, ENDPAGE Condition Name

output, Print File

PRINTER_FORMAT

ENVIRONMENT option, Summary of Options

Priority of operations, Precedence of Operators and Expression Evaluation, Operators

PROCEDURE statement, PROCEDURE Statement, procedure-statement

label restriction, Label Array Constants
to define a procedure, Procedure Blocks

Procedures, Procedure Blocks, Procedures

blocks, Blocks

declarations, PROCEDURE Statement

outside procedures, Declarations Outside Procedures

entry points, Entry Values, Specifying Entry Points

external, Procedure Blocks, Calling External and Internal Procedures

declaring, EXTERNAL Attribute

IDENT option, PROCEDURE Statement

internal, Procedure Blocks

invoking, Procedure Blocks

with CALL statement, CALL Statement
with function reference, Functions and Function References

main procedure, Procedure Blocks

parameters of, Parameters and Arguments

returning from, RETURN Statement

terminating, Terminating Procedures

END statement, END Statement
STOP statement, STOP Statement

PROD built-in function, PROD

Programs

controlling execution, Program Control

documenting, Comments

elements of, Program Structure and Content

format of, Program Format

structure of, Program Format

terminating

with END statement, END Statement
with STOP statement, STOP Statement

Pseudovariables, Pseudovariables, Pseudovariables

INT, INT Pseudovariable
ONCHAR, ONCHAR Pseudovariable
ONSOURCE, ONSOURCE Pseudovariable
PAGENO, PAGENO Pseudovariable
SUBSTR, SUBSTR Pseudovariable
UNSPEC, UNSPEC Pseudovariable

Punctuation marks

meaning to PL/I, Punctuation

PUT statement, Input and Output, Output by the PUT Statement, put-statement

conversion of values, Contexts in which PL/I Converts Data

execution of, Execution of the PUT Statement

forms, Syntax Summary of the PUT Statement

options, Syntax Summary of the PUT Statement

PUT EDIT, PUT EDIT

PUT LINE, PUT LINE

PUT LIST, PUT LIST

PUT PAGE, PUT PAGE

PUT SKIP, PUT SKIP

PUT STRING

example, Examples

Q

Qualifying reference

for based variable, Referring to Based Variables

R

R format item

definition, R Format Item

R picture character, Encoded-Sign Characters (T, I, R)

RANK built-in function, RANK

RANK preprocessor built-in function, RANK

READ statement, Input and Output, READ Statement, read-statement

SET option

using, The SET Option of the READ Statement

with pictured data, VALID

READONLY attribute, READONLY Attribute

READ_AHEAD

ENVIRONMENT option, Summary of Options

READ_CHECK

ENVIRONMENT option, Summary of Options

RECORD attribute, RECORD Attribute, File Description Attributes and Options

Record files

access modes, Record I/O
attributes, Record I/O

Record I/O and unconnected arrays, Connected and Unconnected Arrays

Record management services (RMS)

extensions to standard, Support of OpenVMS Record Management Services

Records

delete, DELETE Statement

files, Record I/O

delete record, DELETE Statement
read, READ Statement
READ with SET option, The SET Option of the READ Statement
updating, REWRITE Statement
writing records to, WRITE Statement

I/O, Record I/O

reading, READ Statement

rewriting, REWRITE Statement

writing, WRITE Statement

RECORD_ID_ACCESS

ENVIRONMENT option, Summary of Options

RECORD_ID_FROM option

READ statement, READ Statement

RECORD_ID_TO option

READ statement, READ Statement
WRITE statement, WRITE Statement

RECURSIVE option

ENTRY statement, ENTRY Statement
PROCEDURE statement, PROCEDURE Statement

REFER attribute, REFER Attribute

REFER option, Member Attributes, Using the REFER Option

REFERENCE attribute, REFERENCE Attribute

REFERENCE built-in function, REFERENCE

References

structure-qualified, Structure-Qualified References
to based variable, Referring to Based Variables

Relational operator, Punctuation, Relational Operators

Relative files

ONKEY built-in function, ONKEY

RELEASE built-in subroutine, Built-In Subroutines

REPEAT option

DO statement, DO REPEAT

Repetition of format item, Format Specifications

Replication factor, Replication of String Constants, Replication Factor for Bit-String Constants

RESIGNAL built-in subroutine, Completion of ON-Units, Built-In Subroutines

Restricted integer expression, AREA Attribute, BIT Attribute, Array Declarations

RETRIEVAL_POINTERS

ENVIRONMENT option, Summary of Options

RETURN statement, RETURN Statement, return-statement

conversion of values, Contexts in which PL/I Converts Data
terminating procedures, Terminating Procedures

Returns

value, RETURN Statement

RETURNS attribute, RETURNS Attribute

with ENTRY attribute, ENTRY Attribute

Returns descriptor, RETURNS Attribute

RETURNS option, RETURNS Attribute

ENTRY statement, ENTRY Statement
PROCEDURE statement, PROCEDURE Statement

REVERSE built-in function, REVERSE

REVERSE preprocessor built-in function, REVERSE

REVERT statement, REVERT Statement, revert-statement

REVISION_DATE

ENVIRONMENT option, Summary of Options, Closing a File

REWIND_ON_CLOSE

ENVIRONMENT option, Summary of Options, Closing a File

REWIND_ON_OPEN

ENVIRONMENT option, Summary of Options

REWRITE statement, Input and Output, REWRITE Statement, rewrite-statement

using, The SET Option of the READ Statement

RISC calling standard

extensions to PL/I, Procedure-Calling and Condition-Handling Extensions

RMS

extensions to the standard, Support of OpenVMS Record Management Services

ROUND built-in function, ROUND

Row-major order, Order of Assignment and Output for Multidimensional Arrays

RTRIM built-in function, RTRIM

S

S picture character, Drifting Characters ($, +, -, S)

S-floating format

range of precision, Floating-Point Data Formats

Scalar, Array, and Member attributes, Member Attributes

SCALARVARYING

ENVIRONMENT option, Summary of Options, READ Statement, WRITE Statement, REWRITE Statement

Scale factor, Precision and Scale of Arithmetic Data Types, Fixed-Point Decimal Constants

binary, Precision and Scale of Arithmetic Data Types
decimal, Precision and Scale of Arithmetic Data Types
default, Precision and Scale of Arithmetic Data Types
of pictured variable, Decimal Place Character (V)

Scope

attributes, Attributes, Storage Class and Scope Attributes
INTERNAL attribute, INTERNAL Attribute
of internal variables, Internal Variables
of names, Blocks
of ON-unit, Search Path for ON-Units
of static variables, Static Variables

SEARCH built-in function, SEARCH

SEARCH preprocessor built-in function, SEARCH

SELECT statement, SELECT Statement, select-statement

Select-expression, SELECT Statement

Semicolon ( ;)

using as null statement, Null Statement

SEQUENTIAL attribute, SEQUENTIAL Attribute, File Description Attributes and Options

Sequential files, SEQUENTIAL Attribute

SET option

ALLOCATE statement, Allocation in Areas, ALLOCATE Statement

example, Using the ALLOCATE Statement

READ statement, READ Statement

example, The SET Option of the READ Statement

SHARED_READ

ENVIRONMENT option, Summary of Options

SHARED_WRITE

ENVIRONMENT option, Summary of Options

Sharing

storage, Storage Sharing

SIGN built-in function, SIGN

SIGN preprocessor built-in function, SIGN

SIGNAL statement, SIGNAL Statement, signal-statement

Simple statement, Simple Statements

SIN built-in function, SIN

SIND built-in function, SIND

Single-precision floating point

range of precision, Floating-Point Data Formats

SINH built-in function, SINH

SIZE built-in function, SIZE

SKIP format item

definition, SKIP Format Item

SKIP option, Syntax Summary of the PUT Statement

GET statement, GET SKIP
PUT statement, PUT SKIP

Slash (/) picture character, Insertion Characters (, . / B)

SOME built-in function, SOME

Source program format, Program Format

Spaces, Spaces, Tabs, and Line-End Characters

SPOOL

ENVIRONMENT option, Summary of Options, Closing a File

SQRT built-in function, SQRT

Square root

obtaining, SQRT

STATEMENT option

of %PROCEDURE statement, Using the STATEMENT Option

Statements, Statements

alphabetic summary, Summary of Statements by Function

preprocessor, Preprocessor Statements

compound, Compound Statements

format, Statement Formats

functional summary, Summary of Statements by Function

label, Label Data

labels, Statement Labels

simple, Simple Statements

assignment, Simple Statements
keyword, Simple Statements
null, Simple Statements

syntax of, Statements, write-statement

Static

storage class, Static Variables

STATIC attribute, STATIC Attribute, Static Variables

implied, EXTERNAL Attribute
implied by INTERNAL, External Variables

Static variables

entry value, Entry Variables

STOP statement, STOP Statement, stop-statement

terminating subroutines or functions, Terminating Procedures

Storage

allocating

for a based variable, ALLOCATE Statement
for a controlled variable, ALLOCATE Statement
for a static variable, STATIC Attribute
for an automatic variable, AUTOMATIC Attribute
within areas, Area Data

attributes, Attributes, Storage Class and Scope Attributes

automatic, Automatic Variables

based, Based Variables

based variables, BASED Attribute

bit string, Internal Representation of Bit Data

built-in functions

ADDR, ADDR
ADDREL, ADDREL
ALLOCATION, ALLOCATION
BYTESIZE, BYTESIZE
EMPTY, EMPTY
NULL, NULL
OFFSET, OFFSET
POINTER, POINTER
SIZE, SIZE

class, Storage Classes

extensions to the standard, Procedure-Calling and Condition-Handling Extensions

default class, Automatic Variables

defined, DEFINED Attribute, Defined Variables

example of allocation, Using the ALLOCATE Statement

freeing, FREE Statement

internal variables, INTERNAL Attribute

locating with ADDR, Using the ADDR Built-in Function

maximum size of data object, Storage Classes

setting null pointer, NULL

sharing, Storage Sharing

specifying READONLY variable, READONLY Attribute

static, Static Variables

STORAGE condition, STORAGE Condition Name

Storage sharing

with based variables, Storage Sharing
with defined variables, Storage Sharing
with parameters, Storage Sharing
with unions, Storage Sharing

Stream

I/O processing, Stream I/O

STREAM attribute, STREAM Attribute, File Description Attributes and Options

Stream file, STREAM Attribute

associating with terminal, Terminal I/O
GET statement, Input by the GET Statement
PUT statement, Output by the PUT Statement

Stream files

access modes, Stream I/O
attributes, Stream I/O

Stream input, Execution of the GET Statement

Stream output, Execution of the PUT Statement

STRING built-in function, STRING

String constants

replication, Replication of String Constants

String handling

built-in functions

BOOL, BOOL
COLLATE, COLLATE
COPY, COPY
EVERY, EVERY
HIGH, HIGH
INDEX, INDEX
LENGTH, LENGTH
LOW, LOW
LTRIM, LTRIM

concatenation operator, Concatenation Operator

locating substrings, INDEX

replication factor, Replication Factor for Bit-String Constants

SUBSTR pseudovariable, SUBSTR Pseudovariable

String Handling

built-in functions

MAXLENGTH, MAXLENGTH
REVERSE, REVERSE
RTRIM, RTRIM
SEARCH, SEARCH
SOME, SOME
STRING, STRING
SUBSTR, SUBSTR
TRANSLATE, TRANSLATE
TRIM, TRIM
VERIFY, VERIFY

String overlay defining

rules for, Rules for Overlay Defining

STRING pseudovariable, STRING Pseudovariable

STRINGRANGE condition, STRINGRANGE Condition Name

Strings

in conversion functions, Built-In Conversion Functions

STRUCTURE attribute, STRUCTURE Attribute

Structures, Structures

concatenating with STRING, STRING

declaration, Structure Declarations

declaring, Structure Declarations and Attributes

as parameters, Structure Parameters

dimensioned

unconnected arrays, Connected and Unconnected Arrays

in an array, Arrays of Structures

in assignment statements, Structure-Qualified References

initializing, Initializing Structures

level numbers, Structure Declarations and Attributes

major, Structure Declarations and Attributes, Initializing Structures, Structure-Qualified References

minor, Structure Declarations and Attributes, Initializing Structures, Structure-Qualified References

naturally aligned, Internal Representation of Aggregate Data

passing as arguments, Passing Structure Variables as Arguments, Structure Parameters

by descriptor, Passing Arguments by Descriptor

referring to members, Structure-Qualified References

structure-qualified reference, Structure-Qualified References

unaligned, Internal Representation of Aggregate Data

union, Using The UNION Attribute On Structure Declarations

Subroutines

CALL statement, CALL Statement

external, Calling External and Internal Procedures

file-handling

summary, Built-In Subroutines

summary, Built-In Subroutines

terminating, Terminating Procedures

Subscripts, References to Individual Elements

label, Label Array Constants
refering to array of structures, Arrays of Structures that Contain Arrays
variable, References to Individual Elements

SUBSTR built-in function, SUBSTR

SUBSTR preprocessor built-in function, SUBSTR

SUBSTR pseudovariable, SUBSTR Pseudovariable

Substrings

locating in string, INDEX
obtaining, SUBSTR
overlay, SUBSTR Pseudovariable

SUBTRACT built-in function, SUBTRACT

SUM built-in function, SUM

Summary

PL/I language features, Language Summary, Summary of File-Handling Built-In Subroutines

SUPERSEDE

ENVIRONMENT option, Summary of Options

Symbols

global, GLOBALDEF Attribute, GLOBALREF Attribute

SYSIN default file, Terminal I/O

SYSPRINT default file, Terminal I/O

SYSTEM_PROTECTION

ENVIRONMENT option, Summary of Options

T

T picture character, Encoded-Sign Characters (T, I, R)

T-floating format

range of precision, Floating-Point Data Formats

TAB format item

definition, TAB Format Item

Tabs, Spaces, Tabs, and Line-End Characters

TAN built-in function, TAN

TAND built-in function, TAND

TANH built-in function, TANH

TEMPORARY

ENVIRONMENT option, Summary of Options

Terminal

I/O, Terminal I/O, Print File

Termination

END statement, END Statement

of procedures, Terminating Procedures

of program execution

STOP statement, STOP Statement

Text

including from other files, %INCLUDE

TIME built-in function, TIME

Time of day

obtaining, DATETIME, TIME

TIME preprocessor built-in function, TIME

Timekeeping

built-in functions

DATE, DATE
DATETIME, DATETIME
TIME, TIME

TITLE option, TITLE Option, Determining the File Specification

Transfer control

GOTO statement, GOTO Statement
LEAVE statement, LEAVE Statement

TRANSLATE built-in function, TRANSLATE

TRANSLATE preprocessor built-in function, TRANSLATE

TRIM built-in function, TRIM

TRIM preprocessor built-in function, TRIM

TRUNC built-in function, TRUNC

TRUNCATE

ENVIRONMENT option, Summary of Options, Closing a File

TRUNCATE attribute, TRUNCATE Attribute

Truncation

of bit-string, Arithmetic to Bit-String Assignments
of character-string, Assignments to Character-String Variables
of decimal value, TRUNC

TYPE attribute, TYPE Attribute, Member Attributes

using, Using the TYPE Attribute

U

UNALIGNED attribute, UNALIGNED Attribute

Unconnected array, Connected and Unconnected Arrays

UNDEFINEDFILE condition, UNDEFINEDFILE Condition Name

signaled, Accessing an Existing File

UNDERFLOW condition, UNDERFLOW Condition Name (Endless PL/I V3.9 for OpenVMS VAX only)

UNDERFLOW option

PROCEDURE statement, PROCEDURE Statement

UNION attribute, UNION Attribute, Using The UNION Attribute On Structure Declarations

UNSPEC built-in function, UNSPEC

UNSPEC pseudovariable, UNSPEC Pseudovariable

UNTIL option, DO UNTIL

UPDATE attribute, UPDATE Attribute, File Description Attributes and Options

Update file

rewriting record, REWRITE Statement

Update files

delete record, DELETE Statement

Uppercase and lowercase letters

in identifier, Identifiers

User-generated diagnostic messages, User-Generated Diagnostic Messages

%ERROR, %ERROR
%FATAL, %FATAL
%INFORM, %INFORM
%WARN, %WARN

USER_OPEN

ENVIRONMENT option, Summary of Options

V

V picture character, Decimal Place Character (V)

VALID built-in function, VALID

using, Assigning Values to Pictured Variables

VALUE attribute, VALUE Attribute, External Variables

parameter descriptor, Passing Arguments by Immediate Value

VALUE built-in function, VALUE

Values

implementation-defined standard, Implementation-Defined Values and Features
passing by argument, VALUE Attribute

VARIABLE attribute, VARIABLE Attribute

VARIABLE option

ENTRY attribute, ENTRY Attribute

Variables, Data and Variables

area

declaring, Area Data

assigning value to, Assignment Statement

automatic, AUTOMATIC Attribute, Automatic Variables

based, BASED Attribute, Based Variables

associating with storage, Based Variables
declaring, Based Variables
example, Examples of Based Variables
referring to, Referring to Based Variables

bit-string, Bit-String Variables

character-string, Character-String Variables

declaration, DECLARE Statement

declaring, Data and Variables

defined, Defined Variables

criteria for declaring, Defined Variables

entry, Entry Variables

external, External Variables

file, File Variables, File Variables

fixed-point decimal, Fixed-Point Decimal Variables

in begin blocks, BEGIN Statement

initializing, INITIAL Attribute

internal, Internal Variables

label, Label Variables

internal representation, Internal Representation of Variable Label Data

localizing, Begin Blocks, BEGIN Statement

offset

assigning values to, Offset Data
declaring, Offset Data

pictured, The Internal Representation of Pictured Variables

assigning values to, Assigning Values to Pictured Variables
extracting values from, Extracting Values from Pictured Data

preprocessor, Preprocessor

static, Static Variables

using as subscripts, References to Individual Elements

VARIANT preprocessor built-in function, VARIANT

VARYING attribute, VARYING Attribute

VAX calling standard

extensions to PL/I, Procedure-Calling and Condition-Handling Extensions

VAXCONDITION condition, VAXCONDITION Condition Name

VERIFY built-in function, VERIFY

VERIFY preprocessor built-in function, VERIFY

W

WARN preprocessor built-in function, WARN

Warning (severity)

data conversion, Implicit Conversion During Assignment

Warning messages, %WARN

WHEN clause, SELECT Statement

WHILE option

DO statement, DO WHILE

WORLD_PROTECTION

ENVIRONMENT option, Summary of Options

WRITE statement, Input and Output, WRITE Statement, write-statement

WRITE_BEHIND

ENVIRONMENT option, Summary of Options

WRITE_CHECK

ENVIRONMENT option, Summary of Options

X

X format item

definition, X Format Item

XOR operation

defining with BOOL, Examples

Y

Y picture character, Digit Characters (9, Z, *, Y)

Year

obtaining current, DATE, DATETIME

Z

Z picture character, Digit Characters (9, Z, *, Y)
ZERODIVIDE condition, ZERODIVIDE Condition Name