About SOCKS5 UDP BIND

i been search all around net can't find any example or usefull infomation i read the rfc but dont' understand half of what i got so far
is that using tcp send chr(5) & chr(1) & chr(0)

and return send chr(5) & chr(3) ..... and then some with udp that is part i dont' understand

do anyone know or example that very greatful

Can you show us what code you have so far, and what it is you're trying to achieve?

what i got so far is tcp part done
i want to able use udp to bind server.