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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

   For  an  explanation  of  the  terms  used   in   this   section,   see
   attributes(7).

   
   Interface  Attribute      Value          
   
   wctrans()  Thread safety  MT-Safe locale

CONFORMING TO

   POSIX.1-2001, POSIX.1-2008, 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 4.09 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/.



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