TOWUPPER(3)

NAME
3.30 `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.

SEE ALSO
towupper is part of the library. The full documentation for is maintained as a Texinfo manual. If info and are properly installed at your site, the command

    info

will give you access to the complete manual.