src/ctype/toupper.c

   1 #include <ctype.h>
   2
   3 int toupper(int c)
   4 {
   5         if (islower(c)) return c & 0x5f;
   6         return c;
   7 }
   8
   9 int __toupper_l(int c, locale_t l)
  10 {
  11         return toupper(c);
  12 }
  13
  14 weak_alias(__toupper_l, toupper_l);