WCTRANS (3)
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 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
SEE ALSO
NOTES
The behaviour of wctrans depends on the LC_CTYPE category of the
current locale.
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