[MicroD]

Code:

stock CleanPlayerChat(playerid)
{
        SCM(playerid,WHITE," ");
        SCM(playerid,WHITE," ");
        SCM(playerid,WHITE," ");
        SCM(playerid,WHITE," ");
        SCM(playerid,WHITE," ");
        SCM(playerid,WHITE," ");
        SCM(playerid,WHITE," ");
        SCM(playerid,WHITE," ");
        SCM(playerid,WHITE," ");
        SCM(playerid,WHITE," ");
        SCM(playerid,WHITE," ");
        SCM(playerid,WHITE," ");
        SCM(playerid,WHITE," ");
        SCM(playerid,WHITE," ");
        SCM(playerid,WHITE," ");
        SCM(playerid,WHITE," ");
        SCM(playerid,WHITE," ");
}

Code:

#define ClearChat(%1,%2) for(new cc; cc < %2; cc++) SendClientMessage(%1,0xFFFFFFAA,"   ")//Use ClearChat:(playerid, number of rows)