Next: , Previous: towlower, Up: Ctype   [Contents][Index]


3.31 towupper—translate wide characters to uppercase

Synopsis

#include <wctype.h>
wint_t towupper(wint_t c);

Description
towupper is a function which converts lowercase wide characters to uppercase, leaving all other characters unchanged.


Returns
towupper returns the uppercase equivalent of c when it is a lowercase wide character, otherwise, it returns the input character.


Portability
towupper is C99.

No supporting OS subroutines are required.