stock IsPlayerOwnedHouse(playerid)
{
    for(new i = 0; i < MAX_HOUSES;i++)//Loop threw all houses.
    {
        new pName[24];
        GetPlayerName(playerid,pName,sizeof(pName));
        HInfo[i][Owned] == 1 && strcmp(HInfo[i][Owner],pName) == 0
        return 1;
    }
    return 1;
}
public OnDialogResponse(playerid, dialogid, response, listitem, inputtext[])
{
    if(dialogid == DIALOG_MHOUSE)
    {
        switch(listitem)
        {
            case 0:
            {
                if(IsPlayerOwnedHouse(playerid))
                {
                    ShowPlayerDialog(playerid,DIALOG_MHOUSE2,DIALOG_STYLE_INPUT,"{00FF00}House System","Type Your New Name Of Your House","Finish","Close");
                }
            }
            case 1:
            {
                SellHouse(playerid);
            }
        }
    }
            
    return 1;
}

C:\Users\carlo\Desktop\SA-MP Server\RolePlay\filterscripts\MyOwnhouses.pwn(236 -- 237) : warning 215: expression has no effect
C:\Users\carlo\Desktop\SA-MP Server\RolePlay\filterscripts\MyOwnhouses.pwn(237) : error 001: expected token: ";", but found "return"
Pawn compiler 3.2.3664          Copyright (c) 1997-2006, ITB CompuPhase


1 Error.

stock IsPlayerOwnedHouse(playerid)
{
    new pName[24];
    GetPlayerName(playerid,pName,sizeof(pName));
    if(HInfo[playerid][Owned] == 1 && strcmp(HInfo[playerid][Owner],pName) == 0)
    {
        return 1;
    }
    return 0;
}