Annex B

• B.1 Diagnostics <assert.h>
• B.2 Complex <complex.h>
• B.3 Character handling <ctype.h>
• B.4 Errors <errno.h>
• B.5 Floating-point environment <fenv.h>
• B.6 Characteristics of floating types <float.h>
• B.7 Format conversion of integer types <inttypes.h>
• B.8 Alternative spellings <iso646.h>
• B.9 Sizes of integer types <limits.h>
• B.10 Localization <locale.h>
• B.11 Mathematics <math.h>
• B.12 Nonlocal jumps <setjmp.h>
• B.13 Signal handling <signal.h>
• B.14 Variable arguments <stdarg.h>
• B.15 Boolean type and values <stdbool.h>
• B.16 Common definitions <stddef.h>
• B.17 Integer types <stdint.h>
• B.18 Input/output <stdio.h>
• B.19 General utilities <stdlib.h>
• B.20 String handling <string.h>
• B.21 Type-generic math <tgmath.h>
• B.22 Date and time <time.h>
• B.23 Extended multibyte/wide character utilities <wchar.h>
• B.24 Wide character classification and mapping utilities <wctype.h>

(informative) Library summary