| Updated: October 28, 2024 |
| Function | Classification | Library | Cancel | ISR | Signal | Thread |
|---|---|---|---|---|---|---|
| wait() | POSIX 1003.1 | libc | Yes | No | Yes | Yes |
| wait3() | Unix | libc | Yes | No | Yes | Yes |
| wait4() | Unix | libc | Yes | No | Yes | Yes |
| waitfor() | QNX Neutrino | libc | Yes | No | No | Yes |
| waitid() | POSIX 1003.1 | libc | Yes | No | Yes | Yes |
| waitpid() | POSIX 1003.1 | libc | Yes | No | Yes | Yes |
| warn() | Unix | libc | Yes | No | Yes | Yes |
| warnx() | Unix | libc | Yes | No | Yes | Yes |
| wcrtomb() | ANSI, POSIX 1003.1 | libc | No | No | Yes | Read the Caveats |
| wcscat() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wcschr() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wcscmp() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wcscoll() | ANSI, POSIX 1003.1 | libc | No | No | Yes | No |
| wcscpy() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wcscspn() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wcsftime() | ANSI, POSIX 1003.1 | libc | No | No | Yes | Yes |
| wcslen() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wcsncat() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wcsncmp() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wcsncpy() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wcspbrk() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wcsrchr() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wcsrtombs() | ANSI, POSIX 1003.1 | libc | No | No | Yes | Read the Caveats |
| wcsspn() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wcsstr() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wcstod() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wcstof() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wcstold() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wcstoimax() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wcstoumax() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wcstok() | ANSI, POSIX 1003.1 | libc | No | No | Yes | Yes |
| wcstol() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wcstoll() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wcstombs() | ANSI, POSIX 1003.1 | libc | No | No | Yes | Yes |
| wcstoul() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wcstoull() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wcsxfrm() | ANSI, POSIX 1003.1 | libc | No | No | Yes | Yes |
| wctob() | ANSI, POSIX 1003.1 | libc | No | No | Yes | Yes |
| wctomb() | ANSI, POSIX 1003.1 | libc | No | No | Yes | No |
| wctrans() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wctype() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wcwidth() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wmemchr() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wmemcmp() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wmemcpy() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wmemmove() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wmemset() | ANSI, POSIX 1003.1 | libc | No | Yes | Yes | Yes |
| wordexp() | POSIX 1003.1 | libc | Yes | No | Yes | Yes |
| wordfree() | POSIX 1003.1 | libc | No | No | Yes | Yes |
| wprintf() | ANSI, POSIX 1003.1 | libc | Yes | No | No | Yes |
| write() | POSIX 1003.1 XSI | libc | Yes | No | Yes | Yes |
| writeblock() | QNX Neutrino | libc | Yes | No | Yes | Yes |
| writev() | POSIX 1003.1 XSI | libc | Yes | No | Yes | Yes |
| wscanf() | ANSI, POSIX 1003.1 | libc | Yes | No | No | Yes |