Someone

public IpCheck(playerid)
{
	new ip[16];
	GetPlayerIp(playerid, ip, sizeof(ip));
	new File: file = fopen("kickban.cfg", io_read);
	if (file)
	{
		new valtmp;
		while (fread(file, valtmp) > 0)
		{
			strmid(ip, valtmp, 0, strlen(ip), 255);
			if (strcmp(ip, ip) == 0)
			{
				fclose(file);
				return 1;
			}
		}
	}
	fclose(file);
	return 0;
}