NAME towupper - "lower case to upper case letter conversion (wide character version)" CONTENTS Library Synopsis Description Return Values See Also Standards LIBRARY .Lb libc SYNOPSIS .In 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. SEE ALSO iswupper(3), toupper(3), towlower(3), wctrans(3) STANDARDS
