Add a comment on func-like macro arguments.
Add a comment on func-like macro arguments.

nobody1986/8cc,vastin/8cc,abc00/8cc,andrewchambers/8cc,abc00/8cc,vastin/8cc,andrewchambers/8cc,rui314/8cc,nobody1986/8cc,gergo-/8cc,rui314/8cc,nobody1986/8cc,cpjreynolds/8cc,rui314/8cc,cpjreynolds/8cc,abc00/8cc,8l/8cc,gergo-/8cc,vastin/8cc,8l/8cc,abc00/8cc,andrewchambers/8cc,andrewchambers/8cc,8l/8cc,jtramm/8cc,jtramm/8cc,rui314/8cc,gergo-/8cc,nobody1986/8cc,cpjreynolds/8cc,cpjreynolds/8cc,vastin/8cc,jtramm/8cc,jtramm/8cc,8l/8cc