towctrans()

Convert characters (esp. transliteration to uppercase or lowercase)

Synopsis:

#include <wctype.h>

wint_t towctrans( wint_t wc,
                  wctrans_t category);

libc

The towctrans() function transliterates wc using the mapping described by category. The following functions are equivalent:

Function	Equivalent wctrans() Call
towlower( wc )	towctrans( wc, wctrans("tolower") )
towupper( wc )	towctrans( wc, wctrans("toupper") )

The corresponding transliterated wide character when the argument is valid; otherwise, the original wide character is returned.