nsz Git - musl/blob - src/ctype/iswalpha.c

   1 #include <wctype.h>
   2
   3 static const unsigned char table[] = {
   4 #include "alpha.h"
   5 };
   6
   7 int iswalpha(wint_t wc)
   8 {
   9         if (wc<0x20000U)
  10                 return (table[table[wc>>8]*32+((wc&255)>>3)]>>(wc&7))&1;
  11         if (wc<0x2fffeU)
  12                 return 1;
  13         return 0;
  14 }