[eqvinox]

Purely out of curiosity — the indentation style is very unusual. Where did you pick it up?

[thenewwazoo]

It looks like bog-standard K&R style[0] to me. Exceedingly common, in my experience. What about it strikes you as odd?

[0] https://en.wikipedia.org/wiki/Indentation_style#K&R_style

[eqvinox]

It's not K&R; the function opening brace is off, there's no empty lines inside functions, and goto labels are indented. (And indent is 4 spaces, most K&R is Tabs.)

Combined with the absence of any comments, the source looks very "optically dense" in this style.

[antirez]

That's effectively the most obvious indentation style used for C.

[colejohnson66]

It looks like nothing more than 1TBS[0] plus no line breaks inside functions.

[0]: https://softwareengineering.stackexchange.com/a/99546/54480