TOWUPPER(3) BSD Library Functions Manual TOWUPPER(3)
NAME
towupper -- lower case to upper case letter conversion (wide character version)
LIBRARY
Standard C Library (libc, -lc)
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.
SEE ALSO
iswupper(3), toupper(3), towlower(3), wctrans(3)
STANDARDS
The towupper() function conforms to ISO/IEC 9899:1999 (``ISO C99'').
BSD
October 3, 2002 BSD
