#include <string.h>
int main() {
  char buf[1024];
  memset(buf,1,1024);
  buf[1023]=0;
  int i;
  int ret;
  for (i=0;i<10000000;i++)
#ifdef STRLEN
    strlen2(buf+i%64);
#else
    ret += memchr(buf+i%64,0,1024) - (void *)buf;
#endif
  return ret;
}