W

The functions, macros, and data structures 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

The following are described elsewhere:

For information about: See:
WCOREDUMP() wait()
WEXITSTATUS() wait()
WIFCONTINUED() wait()
WIFEXITED() wait()
WIFSIGNALED() wait()
WIFSTOPPED() wait()
WSTOPSIG() wait()
WTERMSIG() wait()

This chapter describes the API components whose names begin with W.

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  • 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