com32/lib/memchr.c

   1 /*
   2  * memchr.c
   3  */
   4
   5 #include <stddef.h>
   6 #include <string.h>
   7
   8 void *memchr(const void *s, int c, size_t n)
   9 {
  10   const unsigned char *sp = s;
  11
  12   while ( n-- ) {
  13     if ( *sp == (unsigned char)c )
  14       return (void *)sp;
  15   }
  16
  17   return NULL;
  18 }