C99 Language Standard
Contents
Foreword
Introduction
1. Scope
2. Normative references
3. Terms, definitions, and symbols
4. Conformance
5. Environment
6. Language
7. Library
Annex A
Annex B
Annex C
Annex D
Annex E
Annex F
Annex G
Annex H
Annex I
Annex J
J.1 Unspecified behavior
J.2 Undefined behavior
J.3 Implementation-defined behavior
J.4 Locale-specific behavior
J.5 Common extensions
J.5.1 Environment arguments
J.5.2 Specialized identifiers
J.5.3 Lengths and cases of identifiers
J.5.4 Scopes of identifiers
J.5.5 Writable string literals
J.5.6 Other arithmetic types
J.5.7 Function pointer casts
J.5.8 Extended bit-field types
J.5.9 The fortran keyword
J.5.10 The asm keyword
J.5.11 Multiple external definitions
J.5.12 Predefined macro names
J.5.13 Floating-point status flags
J.5.14 Extra arguments for signal handlers
J.5.15 Additional stream types and file-opening modes
J.5.16 Defined file position indicator
J.5.17 Math error reporting
Bibliography
C99 Language Standard
Annex J
J.5 Common extensions
J.5.3 Lengths and cases of identifiers
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J.5.3 Lengths and cases of identifiers
1
All characters in identifiers (with or without external linkage) are significant (
6.4.2
).