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#include <wctype.h>
#include <wchar.h>
#include "_wctype.h"
/** convert a wide lowercase letter to uppercase **/
wint_t towupper(wint_t wc)
{
SIGNAL_SAFE(0);
ASSERT_REPRESENTABLE(wc, WCHAR_MIN, WCHAR_MAX, "wchar_t", WEOF);
if (!iswlower(wc)) {
return wc;
}
wctrans_t trans = wctrans("toupper");
return towctrans(wc, trans);
}
__check_1(wint_t, 0, towupper, wint_t)
/***
The fn(towupper) function converts a wide lowercase letter to its equivalent
uppercase letter in the current locale.
***/
/* RETURN(arg(c)): arg(wc) was not a wide lowercase letter or it has no equivalent upercase letter */
/* RETURN: arg(c) converted to uppercase */
/* UNSPECIFIED: - */
/* IMPLEMENTATION: - */
/* LOCALE: LC_CTYPE */
/*
STDC(199409)
*/
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