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man:wctob

WCTOB(3) Linux Programmer's Manual WCTOB(3)

NAME

     wctob - try to represent a wide character as a single byte

SYNOPSIS

     #include <wchar.h>
     int wctob(wint_t c);

DESCRIPTION

     The  wctob() function tests whether the multibyte representation of the
     wide character c, starting in the initial state, consists of  a  single
     byte.  If so, it is returned as an unsigned char.
     Never  use this function.  It cannot help you in writing international-
     ized programs.  Internationalized programs must never distinguish  sin-
     gle-byte and multibyte characters.

RETURN VALUE

     The wctob() function returns the single-byte representation of c, if it
     exists, of EOF otherwise.

ATTRIBUTES

     For  an  explanation  of  the  terms  used   in   this   section,   see
     attributes(7).
     +----------+---------------+---------+
     |Interface | Attribute     | Value   |
     +----------+---------------+---------+
     |wctob()   | Thread safety | MT-Safe |
     +----------+---------------+---------+

CONFORMING TO

     POSIX.1-2001, POSIX.1-2008, C99.

NOTES

     The behavior of wctob() depends on the LC_CTYPE category of the current
     locale.
     This function should never be used.   Internationalized  programs  must
     never  distinguish  single-byte  and  multibyte characters.  Use either
     wctomb(3) or the thread-safe wcrtomb(3) instead.

SEE ALSO

     btowc(3), wcrtomb(3), wctomb(3)

COLOPHON

     This page is part of release 4.16 of the Linux  man-pages  project.   A
     description  of  the project, information about reporting bugs, and the
     latest    version    of    this    page,    can     be     found     at
     https://www.kernel.org/doc/man-pages/.

GNU 2017-09-15 WCTOB(3)

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