C standard library

Header files

C90

• assert.h - assert macro
• ctype.h - character types
• errno.h - error testing
• float.h - floating point
• limits.h - macro constants
• locale.h - localisation
• math.h - mathematical
• setjmp.h - declaration of setjmp & longjmp
• signal.h - signal handling
• stdarg.h - argument handling
• stddef.h - types and macros
• stdio.h - core input/output
• stdlib.h - numeric conversion, memory allocation, process control
• string.h - string handling
• time.h - date and time handling

Normative Addendum 1

• iso646.h - ISO646 charset
• wchar.h - wide character
• wctype.h - wide character types

C99

• complex.h - complex numbers
• fenv.h - floating-point environment
• inttypes.h - exact width integer types
• stdbool.h - boolean data type
• stdint.h -
• tgmath.h - type-generic mathematical

C11

• stdalign.h - object alignment
• stdatomic.h - atomic operations
• stdnoreturn.h - non-returning functions
• threads.h - thread management
• uchar.h - Unicode character handling

Publications

• SAA CPI C Reference - Level 2, SC09-1308