[Kwarde]

pawn Код:

dcmd_login(playerid, params[])
{
    new file[256], name[MAX_PLAYER_NAME], string[128];
    GetPlayerName(playerid, name, MAX_PLAYER_NAME);
    format(file, 256, "\\Users\\%s.ini", name);
    if(!dini_Exists(file)) return SendClientMessage(playerid, 0xFFFFFFFF, "You aren't registered, to do, type /register [password] !");
    if(!strlen(params)) return SendClientMessage(playerid, 0xFFFFFFFF, "USAGE:/register [password]");
    if(logged[playerid] == 1) return SendClientMessage(playerid, 0xFFFFFFFF, "You are already logged in!");
    if(!strcmp(params, dini_Get(file, "password"), true))
    {
        logged[playerid] = 1;
        SendClientMessage(playerid, 0xFFFFFFFF, "You successfully logged in!");
        return 1;
    }
    if(strcmp(params, variable))
    {
        format(string, sizeof(string), "%s, you typed your pasword incorrectly", name);
        SendClientMessage(playerid, 0xFFFFFFFF, string);
        return 1;
    }
    return 0;
}

Try this one?
I didn't test it, so I don't know if it's working
And I made it a bit different, so it will save a BIT disk space
And please use [ pawn ][ /pawn ] BB codes
Then it will be PAWN highlighted