In the old days I saw C code with massive overuse of the "register" keyword. Meaning this variable should be kept in a register. Someone had ove 12 of these in

In the old days I saw C code with massive overuse of the "register" keyword. Meaning this variable should be kept in a register. Someone had ove 12 of these in one function back when that was waaaay more variables then processors had registers. Good thing modern register allocation by compilers makes this irrelevant.