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use libc::{c_char, c_double, c_int, c_long, c_longlong, c_ulong, c_ulonglong, c_void, size_t};

use crate::object::*;
use crate::pyport::Py_ssize_t;

#[repr(C)]
pub struct PyLongObject {
    _private: [u8; 0],
}

#[cfg_attr(windows, link(name = "pythonXY"))]
extern "C" {
    pub static mut PyLong_Type: PyTypeObject;
}

#[inline(always)]
pub unsafe fn PyLong_Check(op: *mut PyObject) -> c_int {
    PyType_FastSubclass(Py_TYPE(op), Py_TPFLAGS_LONG_SUBCLASS)
}

#[inline(always)]
pub unsafe fn PyLong_CheckExact(op: *mut PyObject) -> c_int {
    (Py_TYPE(op) == &mut PyLong_Type) as c_int
}

#[cfg_attr(windows, link(name = "pythonXY"))]
extern "C" {
    pub fn PyLong_FromLong(arg1: c_long) -> *mut PyObject;
    pub fn PyLong_FromUnsignedLong(arg1: c_ulong) -> *mut PyObject;
    pub fn PyLong_FromSize_t(arg1: size_t) -> *mut PyObject;
    pub fn PyLong_FromSsize_t(arg1: Py_ssize_t) -> *mut PyObject;
    pub fn PyLong_FromDouble(arg1: c_double) -> *mut PyObject;
    pub fn PyLong_AsLong(arg1: *mut PyObject) -> c_long;
    pub fn PyLong_AsLongAndOverflow(arg1: *mut PyObject, arg2: *mut c_int) -> c_long;
    pub fn PyLong_AsSsize_t(arg1: *mut PyObject) -> Py_ssize_t;
    pub fn PyLong_AsSize_t(arg1: *mut PyObject) -> size_t;
    pub fn PyLong_AsUnsignedLong(arg1: *mut PyObject) -> c_ulong;
    pub fn PyLong_AsUnsignedLongMask(arg1: *mut PyObject) -> c_ulong;
    pub fn PyLong_GetInfo() -> *mut PyObject;
    pub fn PyLong_AsDouble(arg1: *mut PyObject) -> c_double;
    pub fn PyLong_FromVoidPtr(arg1: *mut c_void) -> *mut PyObject;
    pub fn PyLong_AsVoidPtr(arg1: *mut PyObject) -> *mut c_void;
    pub fn PyLong_FromLongLong(arg1: c_longlong) -> *mut PyObject;
    pub fn PyLong_FromUnsignedLongLong(arg1: c_ulonglong) -> *mut PyObject;
    pub fn PyLong_AsLongLong(arg1: *mut PyObject) -> c_longlong;
    pub fn PyLong_AsUnsignedLongLong(arg1: *mut PyObject) -> c_ulonglong;
    pub fn PyLong_AsUnsignedLongLongMask(arg1: *mut PyObject) -> c_ulonglong;
    pub fn PyLong_AsLongLongAndOverflow(arg1: *mut PyObject, arg2: *mut c_int) -> c_longlong;
    pub fn PyLong_FromString(
        arg1: *const c_char,
        arg2: *mut *mut c_char,
        arg3: c_int,
    ) -> *mut PyObject;
    pub fn PyOS_strtoul(arg1: *const c_char, arg2: *mut *mut c_char, arg3: c_int) -> c_ulong;
    pub fn PyOS_strtol(arg1: *const c_char, arg2: *mut *mut c_char, arg3: c_int) -> c_long;
}