| Function/Macro | #include file | ANSI/ISO | ANSI/ISO 93 | POSIX | XPG4 | Extension | Subsystem |
| tan | <math.h> | X | X | X | |||
| tanh | <math.h> | X | X | X | |||
| <stdlib.h> <malloc.h> |
X X |
||||||
| <stdlib.h> <malloc.h> |
X X |
||||||
| <stdlib.h> <malloc.h> |
X X |
||||||
| _tell | <io.h> | X | X | ||||
| tempnam | <stdio.h> | X | X | ||||
| <stdlib.h> <malloc.h> |
X X |
||||||
| <stdlib.h> <malloc.h> |
X X |
||||||
| <stdlib.h> <malloc.h> |
X X |
||||||
| _threadstore | <stdlib.h> <process.h> |
X | |||||
| time | <time.h> | X | X | X | |||
| <stdlib.h> <malloc.h> |
X X |
||||||
| tmpfile | <stdio.h> | X | X | X | |||
| tmpnam | <stdio.h> | X | X | X | |||
| _toascii | <ctype.h> | X | X | ||||
| tolower | <ctype.h> | X | X | X | |||
| _tolower | <ctype.h> | X | X | ||||
| toupper | <ctype.h> | X | X | X | |||
| _toupper | <ctype.h> | X | X | ||||
| towctrans | <wctype.h> | X | X | ||||
| towlower | <wctype.h> | X | X | X | |||
| towupper | <wctype.h> | X | X | X | |||
| <stdlib.h> <malloc.h> |
X X |
||||||
| tzset | <time.h> | X | X | X |
![]()
IBM C and C++ Compilers Functions and
Macros