joakim@verona.se writes:


> I'm habing trouble remembering not to use c99. Is there some convenient
> compiler flag to force lower versions? Fixed the errors I saw.
>

Maybe -ansi combined with -pedantic, for gcc.

  rupert@hake:~/tmp gcc -ansi -pedantic -o test test.c
  test.c: In function ‘main’:
  test.c:10: warning: ISO C90 forbids mixed declarations and code

Rupert