src/ctype/isupper.c

   1 #include <ctype.h>
   2 #include "libc.h"
   3 #undef isupper
   4
   5 int isupper(int c)
   6 {
   7         return (unsigned)c-'A' < 26;
   8 }
   9
  10 int __isupper_l(int c, locale_t l)
  11 {
  12         return isupper(c);
  13 }
  14
  15 weak_alias(__isupper_l, isupper_l);