github.com/afumu/libc@v0.0.6/musl/src/ctype/iswxdigit.c (about)

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