| Function/Macro | #include file | ANSI/ISO | ANSI/ISO 93 |
POSIX | XPG4 | Extension | Subsystem |
| abort | <stdlib.h> <process.h> |
X |
X |
X |
|||
| abs | <stdlib.h> | X | X | X | X | ||
| access | <io.h> | X | X | X | X | ||
| acos | <math.h> | X | X | X | |||
| _alloca | <stdlib.h> <malloc.h> <builtin.h> |
X X |
X |
||||
| asctime | <time.h> | X | X | X | |||
| asin | <math.h> | X | X | X | |||
| assert | <assert.h> | X | X | X | |||
| atan | <math.h> | X | X | X | |||
| atan2 | <math.h> | X | X | X | |||
| atexit | <stdlib.h> | X | X | ||||
| atof | <stdlib.h> | X | X | X | X | X | |
| atoi | <stdlib.h> | X | X | X | X | ||
| atol | <stdlib.h> | X | X | X | X | ||
| atoll | <stdlib.h> | X | X | ||||
| _atold | <stdlib.h> | X |
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IBM C/C++ Compilers
Functions and Macros