将程序复制到系统目录，设置开机自启动

程序比较简单，用到了C语言获得自身路径和系统路径，修改注册表项等，某些函数不理解可以查看MSDN

#include<stdio.h>
#include<windows.h>

char *GetFilename(char *p)  //得到一个路径的纯文件名
{
    int x=strlen(p);
    char ch='\\';
    char *q=strrchr(p,ch);
    return q;
}


int main()
{
    char *filepath;
    char modlepath[256];
    char syspath[256];

    //打开酷狗应用
    filepath="C:\\Program^ Files\\KuGou\\KGMusic\\KuGou.exe";  
    system(filepath);

    //将程序移动到系统目录下

    GetModuleFileName(0,modlepath,256); //获得自身路径
    GetSystemDirectory(syspath,256);  //得到系统路径

    int ret=CopyFile(modlepath,strcat(syspath,GetFilename(modlepath)),1);//复制，CopyFile的第二个参数是目标文件名
    if(ret)
    {
        printf("%s has been copyed to sys dir %s\n",modlepath,syspath);
    }
    else
    {
        printf("%s is exists",modlepath);
    }

    //程序添加开机自启动
    char regname[]="Software\\Microsoft\\Windows\\CurrentVersion\\Run";
    HKEY hKey;
    ret=RegOpenKey(HKEY_LOCAL_MACHINE,regname,&hKey);       //打开注册表键
    ret=RegSetValueEx(hKey,"MyProm",0,REG_EXPAND_SZ,(unsigned char*)strcat(syspath,GetFilename(modlepath)),25);  //设置键值

    if(ret==0)
    {
        printf("succes to write run key.\n");
        RegCloseKey(hKey);
    }
    else
    {
        printf("failed to open regedit.%d\n",ret);
        return 0;
    }
    
    return 0;
}

附-参考：

http://zhidao.baidu.com/link?url=9jIBTUUs-AvKkD2QZAxsdnxYAfTjnJxMfbqF3_lXd-g9NJJyyW6x-wI31kyWlRkRuT9TM4arYlJXmsc5VehPYa