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 *: ctypedef struct NotReprC_RefCell_i32: pass ctypedef NotReprC_RefCell_i32 Foo; ctypedef struct MyStruct: int32_t number; void root(const Foo *a, const MyStruct *with_cell);