NAME
towupper,
towupper_l —
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);
#include
<wctype.h>
#include <xlocale.h>
wint_t
towupper_l(wint_t wc,
locale_t loc);
DESCRIPTION
The
towupper()
function converts a lower-case letter to the corresponding upper-case
letter.
Although the
towupper()
function uses the current locale, the
towupper_l()
function may be passed a locale directly. See
xlocale(3) for more information.
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), xlocale(3)
STANDARDS
The towupper() function conforms to
ISO/IEC 9899:1999
(“ISO C99”).