| Appendix A |
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Appendix A
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VAX C to Compaq C Differences
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A.1
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Features Affecting the Compiler
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A.1.1
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Compaq C Qualifiers
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A.1.2
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Comment Processing
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A.1.3
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String Literal Concatenation
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A.1.4
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Recursive main() Function
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A.1.5
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Trigraph Sequences
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A.1.6
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Alert Escape Sequence
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A.1.7
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Hexadecimal Escape Sequence
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A.1.8
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Invalid Escape Sequences
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A.1.9
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$ in Macro Names
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A.1.10
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Null Arguments to Macros
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A.1.11
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ANSI C Name Space Conformance
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A.1.11.1
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Non-ANSI Keywords
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A.1.11.2
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Non-ANSI Predefined Macros
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A.1.11.3
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Non-ANSI Identifiers in Standard-Specified Header Files
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A.1.12
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Compaq C Predefined Macros
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A.1.13
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Compaq C Types
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A.1.13.1
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signed Reserved Word
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A.1.13.2
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Removal of the long float Type
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A.1.13.3
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Addition of the long double Type
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A.1.13.4
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Addition of Processor-Specific Integer Data Types
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A.1.14
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Type Compatibility
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A.1.15
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Composite Types
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A.1.16
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Enumerations Have Type int
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A.1.17
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long double Constants
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A.1.18
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Implicit Unsigned Integer Constants
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A.1.18.1
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OpenVMS VAX Systems
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A.1.18.2
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OpenVMS Alpha Systems
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A.1.19
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Multibyte and Wide Character Support
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A.1.19.1
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The Wide Character Type
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A.1.19.2
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Multibyte Characters in Comments, Character Constants, and String Literals
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A.1.19.3
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Wide Character Constants
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A.1.19.4
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Wide String Literals
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A.1.20
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Usual Arithmetic Conversions
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A.1.21
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Indexing as a Commutative Operator
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A.1.22
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Cast Operators
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A.1.23
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Function Calls
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A.1.23.1
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Assignment Compatibility Argument Checking
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A.1.23.2
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Passing Narrow Types to Old Syntax Functions
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A.1.24
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"Address of" Operator
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A.1.25
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Unary Plus
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A.1.26
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Relational Operators
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A.1.27
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Assignment Compatibility
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A.1.28
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Declarations
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A.1.28.1
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Implementation Limits
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A.1.28.2
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Identifier Name Length
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A.1.28.3
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Diagnosing Empty Declarations
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A.1.28.4
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Restriction on Placement of Storage-Class Specifiers
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A.1.28.5
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Diagnosing Old-Style Function Declarations
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A.1.28.6
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Function Definitions Using typedef-names
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A.1.28.7
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Initialization
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A.1.29
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Bit-Field Initialization
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A.1.30
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The Preprocessor
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A.1.30.1
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White Space Appearing Before the #
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A.1.30.2
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The #define Directive and Macro Substitution
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A.1.30.3
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The #line Directive
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A.1.30.4
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The #error Directive
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A.1.30.5
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The #pragma builtins Directive
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A.1.30.6
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The #pragma dictionary Directive
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A.1.30.7
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The #pragma extern_model Directive
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A.1.30.8
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The #pragma linkage Directive (ALPHA ONLY)
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A.1.30.9
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The #pragma use_linkage Directive (ALPHA ONLY)
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A.1.30.10
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The #pragma message Directive
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A.1.30.11
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The #pragma module Directive
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A.2
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Features Affecting the Compaq C Run-Time Library and Include Files
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A.2.1
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<stddef.h>
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A.2.2
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<ctype.h>
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A.2.3
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<fp_class.h>
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A.2.4
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<locale.h>
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A.2.5
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<math.h>
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A.2.6
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<signal.h>
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A.2.7
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<stdio.h>
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A.2.8
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<stdlib.h>
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A.2.9
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<string.h>
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A.2.10
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<time.h>
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A.3
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Unsupported Features
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| Appendix B |
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Appendix B
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Common Pitfalls
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| Appendix C |
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Appendix C
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Programming Tools
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C.1
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OpenVMS Debugger
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C.1.1
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Compiling and Linking to Prepare for Debugging
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C.1.2
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Starting and Terminating a Debugging Session
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C.1.3
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Notes on Compaq C Support
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C.1.3.1
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Debugger Command-Line Options
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C.1.3.2
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Accessing Scalar Variables
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C.1.3.3
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Accessing Arrays
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C.1.3.4
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Accessing Character Strings
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C.1.3.5
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Accessing Structures and Unions
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C.1.3.6
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Sample Debugging Session
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C.2
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OpenVMS Text Processing Utility
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C.3
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Language-Sensitive Editor and the Source Code Analyzer
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C.3.1
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Preparing an SCA Library
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C.3.2
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Starting and Terminating an LSE or an SCA Session
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C.3.3
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Programming Language Placeholders and Tokens
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C.3.4
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Compiling Source Code
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C.3.5
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LSE Examples
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C.3.5.1
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Compilation Unit
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C.3.5.2
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Preprocessor Lines
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C.4
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CDD/Repository
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C.4.1
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Using CDD/Repository
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C.4.2
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Accessing CDD/Repository from Compaq C Programs
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C.4.3
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Support for CDD/Repository Data Types
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