github.com/afumu/libc@v0.0.6/musl/src/ctype/iswlower.c (about) 1 #include <wctype.h> 2 3 int iswlower(wint_t wc) 4 { 5 return towupper(wc) != wc; 6 } 7 8 int __iswlower_l(wint_t c, locale_t l) 9 { 10 return iswlower(c); 11 } 12 13 weak_alias(__iswlower_l, iswlower_l);