1 #include <wctype.h> 2 iswxdigit(wint_t wc)3int iswxdigit(wint_t wc) 4 { 5 return (unsigned)(wc-'0') < 10 || (unsigned)((wc|32)-'a') < 6; 6 } 7 __iswxdigit_l(wint_t c,locale_t l)8int __iswxdigit_l(wint_t c, locale_t l) 9 { 10 return iswxdigit(c); 11 } 12 13 weak_alias(__iswxdigit_l, iswxdigit_l); 14