Function offset_ptr_by_bytes 

fn offset_ptr_by_bytes<T, U>(ptr: *const T, offset: isize) -> *const U

Offset ptr by offset bytes and cast the result to *const U.

The result must be a correctly aligned pointer to a valid value of type U.

Panics:

This function panics if debug assertions are enabled if adding offset causes ptr to overflow or if the resulting pointer is not correctly aligned.