1 2 3 4 5 6 7 8 9 10
#include <_ansi.h> #include <wctype.h> int iswlower_l (wint_t c, struct __locale_t *locale) { /* We're using a locale-independent representation of upper/lower case based on Unicode data. Thus, the locale doesn't matter. */ return (towupper (c) != c); }