Kednos PL/I for OpenVMS Systems
Reference Manual

Appendix A
Appendix A	Alphabetic Summary of Keywords
Appendix B
Appendix B	Digital Multinational Character Set
Appendix C
Appendix C	Compatibility with PL/I Standards
C.1	Differences and Similarities Between Kednos PL/I for OpenVMS VAX and Kednos PL/I for OpenVMS Alpha
C.2	Relation to the 1981 PL/I General-Purpose Subset
C.2.1	Program Structure
C.2.2	Program Control
C.2.3	Storage Control
C.2.4	Input/Output
C.2.5	Attributes and Pictures
C.2.6	Built-In Functions and Pseudovariables
C.2.7	Expressions
C.3	198x PL/I General-Purpose Subset Features Supported
C.3.1	Lexical Constructs
C.3.2	Program Control
C.3.3	Storage Control
C.3.4	Input/Output
C.3.5	Attributes and Pictures
C.3.6	Program Control
C.3.7	Built-In Functions and Pseudovariables
C.3.8	Expressions
C.4	Full PL/I Features Supported
C.4.1	Program Structure
C.4.2	Program Control
C.4.3	Storage Control
C.4.4	Attributes and Pictures
C.4.5	Built-In Functions and Pseudovariables
C.4.6	Expressions
C.5	Nonstandard Features from Other Implementations
C.5.1	Preprocessor
C.5.2	Built-In Functions
C.5.3	LIKE Extension
C.5.4	Declarations
C.6	PL/I-Specific Extensions for OpenVMS VAX and OpenVMS Alpha Platforms
C.6.1	Procedure-Calling and Condition-Handling Extensions
C.6.2	Support of OpenVMS Record Management Services
C.6.3	Miscellaneous Extensions
C.7	Implementation-Defined Values and Features
Appendix D
Appendix D	Migration Notes
D.1	Keywords Not Supported
D.2	Differences Between Kednos PL/I for OpenVMS VAX and Kednos PL/I for OpenVMS Alpha
D.3	Implicit Conversions
D.4	Printing a Hexadecimal Memory Dump
Appendix E
Appendix E	Language Summary
E.1	Statements
E.2	Attributes
E.3	Expressions and Data Conversions
E.4	Pseudovariables
E.5	Built-In Subroutines
Index
Index
Examples
1-1	Structure of a PL/I Program
7-1	Parameters and Arguments
7-2	Invoking an Internal Procedure
7-3	Invoking an External Procedure
Figures
1-1	Relationship of Block Activations
3-1	Internal Representation of Fixed-Point Binary Data
3-2	Fixed-Point Decimal Data Representation
3-3	VAX Internal Representation of Floating-Point Data
3-4	IEEE S_floating Data Representation
3-5	IEEE T_floating Data Representation
3-6	Internal Representation of a Pictured Variable
3-7	Internal Representation of a Pictured Variable
3-8	Unaligned Bit String Storage
3-9	Sample Unaligned Bit String Storage
3-10	Aligned Bit String Storage
3-11	Sample Aligned Bit String Storage
3-12	Variable Label Data Representation
3-13	Variable Entry Data Representation
4-1	Specifying Elements of an Array
4-2	Storage of Structure with REFER Option
4-3	Remapped Storage of Structure with REFER Option
4-4	Connected and Unconnected Arrays
5-1	External Variables
5-2	Using the ALLOCATE Statement
5-3	Using the READ Statement with a Based Variable
5-4	Using the ADDR Built-In Function
5-5	An Overlay Defined Variable
11-1	Example of the BOOL Built-In Function
Tables
1	Conventions Used in this Manual
1-1	Punctuation Marks Recognized by PL/I
1-2	Summary of PL/I Statements
2-1	Alphabetic Summary of PL/I Attributes
3-1	Implied Attributes for Computational Data
3-2	Supported Floating-Point Formats
3-3	Ranges of Floating-Point Formats
3-4	Ranges of Precision for Floating-Point Types
3-5	Floating-Point Types Used by PL/I
3-6	Picture Characters
3-7	ASCII Representation of Encoded-Sign Characters
4-1	Specifying Array Dimensions
4-2	Natural Alignment for Structure Members
6-1	Data Types for Assignment Statement
6-2	Precedence of Operators
6-3	Contexts in Which PL/I Converts Data
6-4	Derived Data Types
6-5	Converted Precision as a Function of Target and Source Attributes
6-6	Built-In Functions for Conversions Between Arithmetic and Nonarithmetic Types
8-1	Summary of ON Conditions
9-1	File Description Attributes Implied when a File is Opened
9-2	Summary of File Description Attributes
9-3	Attributes and Access Modes for Stream Files
9-4	Attributes and Access Modes for OpenVMS Record Files
10-1	Summary of PL/I Preprocessor Statements
10-2	Summary of PL/I Preprocessor Built-In Functions
11-1	Summary of PL/I Built-In Functions
11-2	Summary of PL/I Built-In Subroutines
A-1	PL/I Keywords
D-1	PL/I Keywords Not Supported