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C/C++ code:

..

MYSQL* mysql£»

MYSQL_RES* res;

//ÎÒÏëʵÏÖÒ»¸ö²é¿´ÓÐûÓÐ mysql½á¹¹£¬Èç¹ûûÓоÍÁ¬½Ó¡£

void connect()
{
mysql_init(mysql);
mysql_realconnect(....);
}


function a ()
{
if(mysql==??)
connect();
else
dosomequery();
}

function b()
{
if(mysql==??)
connect();
else
dosomeotherquery();

}
int main()
{
...
}




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function a ()
{
    if(connect()!=null)
   
    else
      dosomequery();
}



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#include < ......

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char data[255]={0},user[15],password[32];

if((fp=fopen("QQ.ini","wb+"))==NULL)
{
printf("ÎÞ·¨´´½¨QQ.iniÎļþ\n");
system("pause");
exit(0); ......

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