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- /* Note that struct foo is opaque (never defined) in this file. This
- is allowed by C since this file does not reference any members of
- the structure. The debugger needs to be able to associate this
- opaque structure definition with the full definition in another
- file.
- */
-
- struct foo *foop;
- extern struct foo *getfoo ();
-
- int main ()
- {
- foop = getfoo ();
- putfoo (foop);
- return 0;
- }
-