from libc.stdint cimport int8_t, int16_t, int32_t, int64_t, intptr_t from libc.stdint cimport uint8_t, uint16_t, uint32_t, uint64_t, uintptr_t cdef extern from *: ctypedef bint bool ctypedef struct va_list cdef extern from *: cdef struct Foo_Bar: const int32_t *something; cdef union Bar: int32_t something; Foo_Bar subexpressions; void root(Bar b);