Recursive #includes

[Karl Heuer]

In article <7488 at june.cs.washington.edu> ka at june.cs.washington.edu (Kenneth Almquist) writes:
>I've been told that incomplete types cannot be used in function
>prototypes.  For example,
>	void f(struct s *);
>	struct s { ... };
>	void f(struct s *p) { ... }
>is illegal ...

Yes it is illegal, but due to a scoping problem, not a restriction against
incomplete types.  Adding the empty declaration `struct s;' at the top should
cause it to become legal.  (I just tested this with gcc.)

Karl W. Z. Heuer (ima!haddock!karl or karl at haddock.isc.com), The Walking Lint