src/lib/memchr.c

   1 #include <string.h>
   2 void *memchr(const void *s, int c, size_t n)
   3 {
   4         const unsigned char *sc = s;
   5         while (n--) {
   6                 if (*sc == (unsigned char)c)
   7                         return (void *)sc;
   8                 sc++;
   9         }
  10         return NULL;
  11 }