src/ctype/isupper.c

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