They weren't drop in replacements. They were actually easier. Made up example: > setup_terminal(); enable_input(); while(...) inp = read_character(); ..... vs

They weren't drop in replacements. They were actually easier. Made up example: > setup_terminal(); enable_input(); while(...) inp = read_character(); ..... vs > readline() So yes I could've stubbed out the other stuff and replaced just one, but that's just adding tech debt