Function list
From libposix
We'll build a complete table of POSIX 2008 functions here. Currently the table contains the function names, their requirement status (mandatory or optional), whether the function is obsolescent and the expected difficulty for the implementation.
| Name | Requirement status | Obsolescent | Difficulty |
|---|---|---|---|
| a64l | optional (XSI) | easy | |
| abort | mandatory | easy | |
| ulimit | optional (XSI) | yes | easy |
| umask | mandatory | easy | |
| uname | mandatory | easy | |
| ungetc | mandatory | easy | |
| ungetwc | mandatory | easy | |
| unlinkat | mandatory | easy | |
| unlink | mandatory | easy | |
| unlockpt | optional (XSI) | easy | |
| unsetenv | mandatory | easy | |
| uselocale | mandatory | medium | |
| utime | mandatory | yes | easy |
| utimensat | mandatory | easy | |
| utimes | optional (XSI) | easy | |
| va_arg | mandatory | easy | |
| va_copy | mandatory | easy | |
| va_end | mandatory | easy | |
| va_start | mandatory | easy | |
| vdprintf | mandatory | hard | |
| vfprintf | mandatory | hard | |
| vfscanf | mandatory | hard | |
| vfwprintf | mandatory | hard | |
| vfwscanf | mandatory | hard | |
| vprintf | mandatory | hard | |
| vscanf | mandatory | hard | |
| vsnprintf | mandatory | hard | |
| vsprintf | mandatory | hard | |
| vsscanf | mandatory | hard | |
| vswprintf | mandatory | hard | |
| vswscanf | mandatory | hard | |
| vwprintf | mandatory | hard | |
| vwscanf | mandatory | hard | |
| wait | mandatory | medium | |
| waitid | mandatory | hard | |
| waitpid | mandatory | hard | |
| wcpcpy | mandatory | easy | |
| wcpncpy | mandatory | easy | |
| wcrtomb | mandatory | hard | |
| wcscasecmp | mandatory | hard | |
| wcscasecmp_l | mandatory | hard | |
| wcscat | mandatory | easy | |
| wcschr | mandatory | easy | |
| wcscmp | mandatory | easy | |
| wcscoll | mandatory | hard | |
| wcscoll_l | mandatory | hard | |
| wcscpy | mandatory | easy | |
| wcscspn | mandatory | medium | |
| wcsdup | mandatory | easy | |
| wcsftime | mandatory | hard | |
| wcslen | mandatory | easy | |
| wcsncasecmp | mandatory | hard | |
| wcsncasecmp_l | mandatory | hard | |
| wcsncat | mandatory | easy |
