NAME
towupper —
lower case to upper case letter
conversion (wide character version)
LIBRARY
library “libc”
SYNOPSIS
#include
<wctype.h>
wint_t
towupper(wint_t
wc);
DESCRIPTION
Thetowupper()
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.
SEE ALSO
STANDARDS
The towupper() function conforms to
ISO/IEC 9899:1999
(“ISO C99”).