C99 Language Standard
Contents
Foreword
Introduction
1. Scope
2. Normative references
3. Terms, definitions, and symbols
4. Conformance
5. Environment
6. Language
7. Library
7.1 Introduction
7.2 Diagnostics <assert.h>
7.3 Complex arithmetic <complex.h>
7.4 Character handling <ctype.h>
7.5 Errors <errno.h>
7.6 Floating-point environment <fenv.h>
7.7 Characteristics of floating types <float.h>
7.8 Format conversion of integer types <inttypes.h>
7.9 Alternative spellings <iso646.h>
7.10 Sizes of integer types <limits.h>
7.11 Localization <locale.h>
7.12 Mathematics <math.h>
7.13 Nonlocal jumps <setjmp.h>
7.14 Signal handling <signal.h>
7.15 Variable arguments <stdarg.h>
7.16 Boolean type and values <stdbool.h>
7.17 Common definitions <stddef.h>
7.18 Integer types <stdint.h>
7.19 Input/output <stdio.h>
7.20 General utilities <stdlib.h>
7.21 String handling <string.h>
7.22 Type-generic math <tgmath.h>
7.23 Date and time <time.h>
7.24 Extended multibyte and wide character utilities <wchar.h>
7.24.1 Introduction
7.24.2 Formatted wide character input/output functions
7.24.3 Wide character input/output functions
7.24.4 General wide string utilities
7.24.4.1 Wide string numeric conversion functions
7.24.4.2 Wide string copying functions
7.24.4.3 Wide string concatenation functions
7.24.4.3.1 The wcscat function
7.24.4.3.2 The wcsncat function
7.24.4.4 Wide string comparison functions
7.24.4.5 Wide string search functions
7.24.4.6 Miscellaneous functions
7.24.5 Wide character time conversion functions
7.24.6 Extended multibyte/wide character conversion utilities
7.25 Wide character classification and mapping utilities <wctype.h>
7.26 Future library directions
Annex A
Annex B
Annex C
Annex D
Annex E
Annex F
Annex G
Annex H
Annex I
Annex J
Bibliography
C99 Language Standard
7. Library
7.24 Extended multibyte and wide character utilities <wchar.h>
7.24.4 General wide string utilities
7.24.4.3 Wide string concatenation functions
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7.24.4.3 Wide string concatenation functions
7.24.4.3.1 The wcscat function
7.24.4.3.2 The wcsncat function