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use libc::{c_char, c_int, c_long, FILE};

use crate::object::PyObject;
use crate::pyport::Py_ssize_t;

// 1 -> 2 in df88846ebca9186514e86bc2067242233ade4608 (Python 2.5)
// 2 -> 3 in d7009c69136a3809282804f460902ab42e9972f6 (Python 3.4)
// 3 -> 4 in 1164dfcb86757ebaeb68276e4b8f6ee266c9968d (Python 3.4)
#[cfg(all(Py_3_3, not(Py_3_4)))]
pub const Py_MARSHAL_VERSION: c_int = 2;

#[cfg(Py_3_4)]
pub const Py_MARSHAL_VERSION: c_int = 4;

#[cfg_attr(windows, link(name = "pythonXY"))]
extern "C" {
    pub fn PyMarshal_WriteLongToFile(arg1: c_long, arg2: *mut FILE, arg3: c_int);
    pub fn PyMarshal_WriteObjectToFile(arg1: *mut PyObject, arg2: *mut FILE, arg3: c_int);
    pub fn PyMarshal_WriteObjectToString(arg1: *mut PyObject, arg2: c_int) -> *mut PyObject;
    pub fn PyMarshal_ReadObjectFromString(arg1: *const c_char, arg2: Py_ssize_t) -> *mut PyObject;
}

#[cfg(not(Py_LIMITED_API))]
#[cfg_attr(windows, link(name = "pythonXY"))]
extern "C" {
    pub fn PyMarshal_ReadLongFromFile(arg1: *mut FILE) -> c_long;
    pub fn PyMarshal_ReadShortFromFile(arg1: *mut FILE) -> c_int;
    pub fn PyMarshal_ReadObjectFromFile(arg1: *mut FILE) -> *mut PyObject;
    pub fn PyMarshal_ReadLastObjectFromFile(arg1: *mut FILE) -> *mut PyObject;
}