#!/usr/bin/env -S v -n -w -gc none -cc tcc -d use_openssl -enable-globals run import incubaid.herolib.osal.tun // Check if TUN is available if available := tun.available() { if available { println('TUN is available on this system') // Get a free TUN interface name if interface_name := tun.free() { println('Found free TUN interface: ${interface_name}') // Example: Now you could use this interface name // to set up your tunnel } else { println('Error finding free interface: ${err}') } } else { println('TUN is not available on this system') } } else { println('Error checking TUN availability: ${err}') }