def f(obj, int i, float f, char *s1, char s2[]):
    pass
    
cdef g(obj, int i, float f, char *s1, char s2[]):
    pass
    
cdef do_g(object (*func)(object, int, float, char*, char*)):
    return func(1, 2, 3.14159, "a", "b")
    
do_g(&g)
