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>
7.23.1 Components of time
7.23.2 Time manipulation functions
7.23.2.1 The clock function
7.23.2.2 The difftime function
7.23.2.3 The mktime function
7.23.2.4 The time function
7.23.3 Time conversion functions
7.24 Extended multibyte and wide character utilities <wchar.h>
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
7.23 Date and time <time.h>
7.23.2 Time manipulation functions
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7.23.2 Time manipulation functions
7.23.2.1 The clock function
7.23.2.2 The difftime function
7.23.2.3 The mktime function
7.23.2.4 The time function