1 #include <wctype.h>
2 #include "libc.h"
3 
iswupper(wint_t wc)4 int iswupper(wint_t wc)
5 {
6 	return towlower(wc) != wc;
7 }
8 
__iswupper_l(wint_t c,locale_t l)9 int __iswupper_l(wint_t c, locale_t l)
10 {
11 	return iswupper(c);
12 }
13 
14 weak_alias(__iswupper_l, iswupper_l);
15