Tru64 UNIX
Compaq C Language Reference Manual

Contents

Preface
Preface	Preface
Chapter 1
1	Lexicon
1.1	Character Set
1.1.1	Trigraph Sequences
1.1.2	Digraph Sequences
1.2	Identifiers
1.3	Comments
1.4	Keywords
1.5	Operators
1.6	Punctuators
1.7	String Literals
1.8	Constants
1.8.1	Integer Constants
1.8.2	Floating-Point Constants
1.8.2.1	Semantics
1.8.2.2	Floating-Point Type
1.8.2.3	Hexadecimal Floating-Point Constants
1.8.2.4	Examples
1.8.3	Character Constants
1.8.3.1	Wide Characters
1.8.3.2	Multibyte Characters
1.8.3.3	Character Escape Sequences
1.8.3.4	Numeric Escape Sequences
1.8.4	Enumeration Constants
1.9	Header Files
1.10	Limits
1.10.1	Translation Limits
1.10.2	Numerical Limits
1.10.3	Character Display
Chapter 2
2	Basic Concepts
2.1	Blocks
2.2	Compilation Units
2.3	Scope
2.3.1	File Scope
2.3.2	Block Scope
2.3.3	Function Scope
2.3.4	Function Prototype Scope
2.4	Visibility
2.5	Side Effects and Sequence Points
2.6	Incomplete Type
2.7	Compatible and Composite Types
2.8	Linkage
2.9	Tentative Definitions
2.10	Storage Classes
2.10.1	The auto Class
2.10.2	The register Class
2.10.3	The static Class
2.10.4	The extern Class
2.11	Storage-Class Modifiers
2.11.1	The __inline Modifier
2.11.2	The inline Modifier
2.11.2.1	Example---Using the inline Function Specifier
2.11.3	The __forceinline Modifier
2.11.4	The __align Modifier
2.12	Forward References
2.13	Tags
2.14	lvalues and rvalues
2.15	Name Spaces
2.16	Preprocessing
2.17	Type Names
Chapter 3
3	Data Types
3.1	Data Sizes
3.2	Integral Types
3.2.1	Non-Character Types
3.2.2	Character Types
3.3	Floating-Point Types
3.3.1	Complex Type (ALPHA ONLY)
3.3.2	_Imaginary Type (ALPHA ONLY)
3.4	Derived Types
3.4.1	Function Type
3.4.2	Pointer Type
3.4.3	Array Type
3.4.4	Structure Type
3.4.5	Union Type
3.5	void Type
3.6	Enumerated Types
3.7	Type Qualifiers
3.7.1	const Type Qualifier
3.7.2	volatile Type Qualifier
3.7.3	__unaligned Type Qualifier
3.7.4	__restrict Type Qualifier
3.7.4.1	Rationale
3.7.4.1.1	Aliasing
3.7.4.1.2	Library Examples
3.7.4.1.3	Overlapping Objects
3.7.4.1.4	Restricted Pointer Prototype for memcpy
3.7.4.2	Formal Definition of the __restrict Type Qualifier
3.7.4.3	Examples
3.7.4.3.1	File Scope Restricted Pointers
3.7.4.3.2	Function Parameters
3.7.4.3.3	Block Scope
3.7.4.3.4	Members of Structures
3.7.4.3.5	Type Definitions
3.7.4.3.6	Expressions Based on Restricted Pointers
3.7.4.3.7	Assignments between Restricted Pointers
3.7.4.3.8	Assignments to Unrestricted Pointers
3.7.4.3.9	Ineffective Uses of Type Qualifiers
3.7.4.3.10	Constraint Violations
3.8	Type Definition