towupper
- lower case to upper case letter conversion (wide character version)
LIBRARY
Lb libc
SYNOPSIS
#include <wctype.h> wint_t
towupper (wint_t wc);
DESCRIPTION
The
towupper ();
function converts a lower-case letter to the corresponding
upper-case letter.
RETURN VALUES
If the argument is a lower-case letter, the
towupper ();
function returns the corresponding upper-case letter if there is
one; otherwise the argument is returned unchanged.