kernel.cpp

来自「实现网络原始数据包的捕获和分析」· C++ 代码 · 共 28 行

// kernel.cpp : Defines the entry point for the DLL application.
//

#include "stdafx.h"

extern "C" UCHAR GetAdapterNum();

BOOL APIENTRY DllMain( HANDLE hModule, 
                       DWORD  ul_reason_for_call, 
                       LPVOID lpReserved
					 )
{
	UCHAR uNum=GetAdapterNum();
	if(uNum==0)
	{
		MessageBox(NULL,"本机没有检测到网卡","Error",MB_OK);
		return FALSE;
	}
	else if(uNum!=1)
	{
		MessageBox(NULL,"本程序只能处理一张网卡","Error",MB_OK);
		return FALSE;
	}

    return TRUE;
}