c调用方式

#include "stdafx.h"
#include <iostream>
using namespace std;
int __cdecl fun1(int a, int b)
{
	cout << "param1: " << a << "\t" << "param2: " << b << endl;
	return a+b;
}
int __stdcall fun2(int a, int b)
{
	cout << "param1: " << a << "\t" << "param2: " << b << endl;
	return a+b;
}
/*int __pascal  fun3(int a, int b)
{
	cout << "param1: " << a << '\t' << "param2: " << b << endl;
	return a + b;
}*/
int __cdecl fun4(int a, ...)
{
	cout << "resutl = " << a  << endl;
	return a;
}
int main(int argc, char* argv[])
{
	__asm
	{
		push 1 //__cdecl的调用约定, 1入栈等同于b=1
		push 2 //接着是2入栈等同于a=2
		call fun1 //调用函数
		add esp,8 //返回main
		push 10
		push 20
		call fun2;
		/*push 100
		push 200
		call fun3;*/
	}
	fun4(111, 222);
	cout << "fun exexute finished..." << endl;
	return 0;
}