message: readability update in lib.rs
diff: @@ -29,10 +29,10 @@ pub unsafe extern "C" fn memccpy(
  }
  let src = src as *mut u8;
  let dist = (to as usize) - (src as usize);
  - if memcpy(dest, src, dist) as usize > 0 {
  - return dest.offset(dist as isize + 1) as *mut c_void;
  + if memcpy(dest, src, dist).is_null() {
  + return ptr::null_mut();
  }
  - ptr::null_mut()
  + dest.offset(dist as isize + 1) as *mut c_void
  }
  #[no_mangle]
  