Mine

C:\Documents and Settings\Lewis N Karl\My Documents\SAMP\Server\Server\gamemodes\src\RPG.pwn(1214) : error 017: undefined symbol "IsNumeric"
C:\Documents and Settings\Lewis N Karl\My Documents\SAMP\Server\Server\gamemodes\src\RPG.pwn(1223) : error 017: undefined symbol "IsNumeric"
C:\Documents and Settings\Lewis N Karl\My Documents\SAMP\Server\Server\gamemodes\src\RPG.pwn(1224) : error 017: undefined symbol "MatchID"
Pawn compiler 3.0.3367			Copyright (c) 1997-2005, ITB CompuPhase


3 Errors.



if(strcmp(cmdtext,"/selldrink",true)==0){
new Jizzybank;
new giveplayerid;
        new temp[256], temp2[256]; temp = strtok(cmdtext,idx); temp2 = strtok(cmdtext,idx);
        if (!strlen(temp) || !strlen(temp2) || !IsNumeric(temp) || (strval(temp) >= 1 && strval(temp) <= 4)) {
                 SendClientMessage(playerid, COLOR_GREY, "USAGE: /selldrink [item number] [id]");
         SendClientMessage(playerid, COLOR_GREY, "Avalible_Drinks:");
         SendClientMessage(playerid, COLOR_GREY, "1: Beer $5");
         SendClientMessage(playerid, COLOR_GREY, "2: Vodka $10");
         SendClientMessage(playerid, COLOR_GREY, "3: Whisky $50");
         SendClientMessage(playerid, COLOR_GREY, "4: Wine $500");
                return 1;
        }
        if(!IsNumeric(temp2)) {
                new id = MatchID(temp2);
                if(id != -1) format(temp2,sizeof(temp2),"%d",id);
                else SendClientMessage(playerid,COLOR_RED,"Error: Invalid ID.");
        }
        if(IsPlayerConnected(strval(temp2))) {
                new ref[MAX_PLAYER_NAME];
                GetPlayerName(strval(temp),ref,sizeof(ref));

                if (strval(temp) == 1 && GetPlayerMoney(strval(temp2)) >= 5) {
                        Jizzybank += 1;
                        GivePlayerMoney(giveplayerid,-5);
                        GivePlayerMoney(playerid,4);
                        SendClientMessage(playerid, COLOR_GREY, "1: Beer $5");
                        return 1;
                }
                if (strval(temp) == 2 && GetPlayerMoney(strval(temp2)) >= 10) {
                        Jizzybank += 2;
                        GivePlayerMoney(giveplayerid,-10);
                        GivePlayerMoney(playerid,8);
                        SendClientMessage(playerid, COLOR_GREY, "2: Vodka $10");
                        return 1;
                }
                if (strval(temp) == 3 && GetPlayerMoney(strval(temp2)) >= 50) {
                        Jizzybank += 10;
                        GivePlayerMoney(giveplayerid,-50);
                        GivePlayerMoney(playerid,40);
                        SendClientMessage(playerid, COLOR_GREY, "3: Whisky $50");
                        return 1;
                }
                if (strval(temp) == 4 && GetPlayerMoney(strval(temp2)) >= 500) {
                        Jizzybank += 100;
                        GivePlayerMoney(giveplayerid,-500);
                        GivePlayerMoney(playerid,400);
                        SendClientMessage(playerid, COLOR_GREY, "4: Wine $500");
                        return 1;
                }
        }
        else SendClientMessage(playerid,COLOR_RED,"Error: Invalid name or ID.!");
return 1;
}