APPENDIX E
Standard Library Header Files
The following table lists the standard header files that may be implemented by a compiler that conforms to the C11 language standard. Some of these are optional and so may not be provided by a conforming implementation.
| Header file name | Contents | |||
| assert.h | Defines the assert and static_assert macros. | |||
| complex.h | An optional header in the C11 standard. It defines functions and macros that support operations with complex numbers. | |||
| ctype.h | Defines functions for classifying and mapping characters: | |||
| isalpha() | isalnum() | isupper() | islower() | |
| isblank() | isspace() | iscntrl() | isdigit() | |
| ispunct() | isgraph() ... | |||
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