message: Fixed unused variable in memchr
diff: @@ -39,7 +39,6 @@ pub unsafe extern "C" fn memccpy(
  pub unsafe extern "C" fn memchr(s: *const c_void, c: c_int, n: usize) -> *mut c_void {
  let s = s as *mut u8;
  let c = c as u8;
  - let mut i = 0;
  for i in 0..n {
  if *s.offset(i as isize) == c {
  return s.offset(i as isize) as *mut c_void;
  