3 cdef extern int spam(void) # function argument cannot be void
4 cdef extern int grail(int i, void v) # function argument cannot be void
5 cdef int tomato(Spam s): # incomplete type
9 3:21: Use spam() rather than spam(void) to declare a function with no arguments.
10 4:29: Use spam() rather than spam(void) to declare a function with no arguments.
11 5:16: Argument type 'Spam' is incomplete