fopen external URL - Error: signal: 0xb {11}

[kung foo man]

I need libcod for system, right?

Yea, alternatively, you could also use B3 for some logic and communicate via cvar's [1]. But the easiest/"unhackiest" route is to use libcod

[1] https://killtube.org/showthread.php?...ommand-Adding!