The functions and macros in the C library are described here in alphabetical order.
A ¦ B ¦ C ¦ D ¦ E ¦ F ¦ G ¦ H ¦ I ¦ J ¦ K ¦ L ¦ M ¦ N ¦ O ¦ P ¦ Q ¦ R ¦ S ¦ T ¦ U ¦ V ¦ W ¦ X ¦ Y ¦ Z
wait()
wait3()
wait4()
waitid()
waitpid()
warn()
warnx()
WCOREDUMP() — see wait()
wcrtomb()
wcscat()
wcschr()
wcscmp()
wcscoll()
wcscpy()
wcscspn()
wcsftime()
wcslen()
wcsncat()
wcsncmp()
wcsncpy()
wcspbrk()
wcsrchr()
wcsrtombs()
wcsspn()
wcsstr()
wcstod()
wcstof()
wcstoimax()
wcstok()
wcstol()
wcstold()
wcstoll()
wcstombs()
wcstoul()
wcstoull()
wcsxfrm()
wctob()
wctomb()
wctrans()
wctype()
WEXITSTATUS() — see wait()
WIFCONTINUED() — see wait()
WIFEXITED() — see wait()
WIFSIGNALED() — see wait()
WIFSTOPPED() — see wait()
wmemchr()
wmemcmp()
wmemcpy()
wmemmove()
wmemset()
wordexp()
wordfree()
wprintf()
write()
writeblock()
writev()
wscanf()
WSTOPSIG() — see wait()
WTERMSIG() — see wait()
A ¦ B ¦ C ¦ D ¦ E ¦ F ¦ G ¦ H ¦ I ¦ J ¦ K ¦ L ¦ M ¦ N ¦ O ¦ P ¦ Q ¦ R ¦ S ¦ T ¦ U ¦ V ¦ W ¦ X ¦ Y ¦ Z