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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.

CONFORMING TO

       C99.

NOTES

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

SEE ALSO

       towctrans(3)

COLOPHON

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