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

NAME
       wctrans - wide-character translation mapping

SYNOPSIS
       #include <wctype.h>

       wctrans_t wctrans(const char *name);

DESCRIPTION
       The  wctrans_t  type  represents  a mapping which can map a wide character to another wide
       character.  Its nature is implementation-dependent, but the  special  value  (wctrans_t) 0
       denotes	an  invalid  mapping.  Nonzero wctrans_t values can be passed to the towctrans(3)
       function to actually perform the wide-character mapping.

       The wctrans() function returns a mapping, given by its  name.   The  set  of  valid  names
       depends	on the LC_CTYPE category of the current locale, but the following names are valid
       in all locales.
	 "tolower" - realizes the tolower(3) mapping
	 "toupper" - realizes the toupper(3) mapping

RETURN VALUE
       The wctrans() function returns a mapping descriptor if the name is  valid.   Otherwise  it
       returns (wctrans_t) 0.

ATTRIBUTES
   Multithreading (see pthreads(7))
       The  wctrans()  function  is thread-safe with exceptions.  It can be safely used in multi-
       threaded applications, as long as setlocale(3) is not called to change the locale.

CONFORMING TO
       C99.

NOTES
       The behavior of wctrans() depends on the LC_CTYPE category of the current locale.

SEE ALSO
       towctrans(3)

COLOPHON
       This page is part of release 3.55 of the Linux man-pages project.  A  description  of  the
       project,     and    information	  about    reporting	bugs,	 can	be    found    at
       http://www.kernel.org/doc/man-pages/.

GNU					    2013-11-04				       WCTRANS(3)
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