| Function/Macro | #include file | ANSI/ISO | ANSI/ISO 93 |
POSIX | XPG4 | Extension | Subsystem |
| _cabs | <math.h> | X | |||||
| calloc | <stdlib.h> <malloc.h> |
X |
X |
X |
X |
X |
|
| catclose | <nl_types.h> | X | |||||
| catgets | <nl_types.h> | X | |||||
| catopen | <nl_types.h> | X | |||||
| ccsidtocs | <iconv.h> | X | |||||
| ceil | <math.h> | X | X | X | |||
| _cgets | <conio.h> | X | |||||
| chdir | <direct.h> | X | X | ||||
| _chdrive | <direct.h> | X | |||||
| chmod | <io.h> | X | X | X | |||
| _chsize | <io.h> | X | X | ||||
| _clear87 | <float.h> <builtin.h> |
X X |
X |
||||
| clearerr | <stdio.h> | X | X | X | |||
| clock | <time.h> | X | X | ||||
| close | <io.h> | X | X | X | |||
| _control87 | <float.h> <builtin.h> |
X X |
X |
||||
| cos | <math.h> | X | X | X | |||
| cosh | <math.h> | X | X | X | |||
| _cprintf | <conio.h> | X | |||||
| _cputs | <conio.h> | X | |||||
| creat | <io.h> | X | X | X | |||
| _crotl | <stdlib.h> <builtin.h> |
X X |
|||||
| _crotr | <stdlib.h> <builtin.h> |
X X |
|||||
| _cscanf | <conio.h> | X | |||||
| csid | <stdlib.h> | X | |||||
| cstoccsid | <iconv.h> | X | |||||
| ctime | <time.h> | X | X | X | |||
| _cwait | <process.h> | X | |||||
| __cxchg | <builtin.h> | X |
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IBM C and C++ Compilers Functions and
Macros