…field definite. I personally don't like magic numbers, but if we need one it should have a meaningful value and not something like 1234. RT stands for Relocation Table and is stored as a packed (2 characters per word) 7-bit ASCII literal. This should make the magic number easily identifiable in hex editors.
…cond string after the first, and O(n+m) in every other case. The string format doesn't matter in this case.