- wait()
Wait for the status of a terminated child process
- wait3()
Wait for any child process to change its state
- wait4()
Wait for one or more child process to change its state
- waitid()
Wait for a child process to change state
- waitpid()
Wait for a child process to stop or terminate
- warn(), warnx()
Formatted error message
- wcrtomb()
Convert a wide-character code to a character
- wcscat()
Concatenate two wide-character strings
- wcschr()
Find the first occurrence of a wide character in a string
- wcscmp()
Compare two wide-character strings
- wcscoll()
Compare two wide-character strings, using the locale's collating sequence
- wcscpy()
Copy a wide-character string
- wcscspn()
Count the wide characters at the beginning of a string that aren't in a given character set
- wcsftime()
Format the time into a wide-character string
- wcslen()
Compute the length of a wide-character string
- wcsncat()
Concatenate two wide-character strings, up to a maximum length
- wcsncmp()
Compare two wide-character strings, up to a given length
- wcsncpy()
Copy a wide-character string, to a maximum length
- wcspbrk()
Find the first wide character in a string that's in a given character set
- wcsrchr()
Find the last occurrence of a wide character in a string
- wcsrtombs()
Convert a wide-character string into a multibyte character string (restartable)
- wcsspn()
Count the wide characters at the beginning of a string that are in a given character set
- wcsstr()
Find one wide-character string inside another
- wcstod(), wcstof(), wcstold()
Convert a wide-character string into a double, float, or long double
- wcstoimax(), wcstoumax()
Convert a wide-character string into an integer
- wcstok()
Break a wide-character string into tokens
- wcstol(), wcstoll()
Convert a wide-character string into a long integer
- wcstombs()
Convert a wide-character string into a multibyte character string
- wcstoul(), wcstoull()
Convert a wide-character string into an unsigned long integer
- wcsxfrm()
Transform one wide-character string into another, to a given length
- wctob()
Convert a wide character to a single-byte code
- wctomb()
Convert a wide character into a multibyte character
- wctrans()
Define a wide-character mapping
- wctype()
Define a wide-character class
- wmemchr()
Locate the first occurrence of a wide character in a buffer
- wmemcmp()
Compare the wide characters in two buffers
- wmemcpy()
Copy wide characters from one buffer to another
- wmemmove()
Copy wide characters from one buffer to another
- wmemset()
Set wide characters in memory
- wordexp()
Perform word expansions
- wordfree()
Free a word expansion buffer
- wprintf()
Write formatted output to stdout
- write()
Write bytes to a file
- writeblock()
Write blocks of data to a file
- writev()
Write bytes to a file
- wscanf()
Scan formatted wide-character input from stdin