cdef extern from "stdio.h":
    int puts(char *s)

cdef extern from "cfuncs.h":
    void some_c_function()

import os

cdef int c_var = 12
python_var = 13

def spam(a=0):
    cdef:
        int b, c

    b = c = d = 0

    b = 1
    c = 2
    int(10)
    puts("spam")
    os.path.join("foo", "bar")
    some_c_function()

cpdef eggs():
    pass

cdef ham():
    pass

cdef class SomeClass(object):
    def spam(self):
        pass

def outer():
    cdef object a = "an object"
    def inner():
        b = 2
        # access closed over variables
        print(a, b)
    return inner

outer()()

spam()
print("bye!")

def use_ham():
    ham()