Socket service "soc:U"

Command Header	Description
0x00010044	InitializeSockets
0x000200C2	socket
0x00030082	listen
0x00040082	accept
0x00050084	bind
0x00060084	connect
0x00070104	recvfrom_other
0x00080102	recvfrom
0x00090106	sendto_other
0x000A0106	sendto
0x000B0042	close
0x000D0082	This is used for DNS like command 0x000F00C2.
0x000F00C2	This resolves the IP address(es) for the specified host-name.
0x00120104	setsockopt
0x00190000	ShutdownSockets

struct sockaddr

Offset	Size	Description
0x0	0x1	Total size of the entire sockaddr buffer.
0x1	0x1	u8 sa_family
0x2	sockaddr_totalsize-0x2	sa_data[]

The total buffer size is 0x8, for family AF_INET value 2. AF_INET6 seems to be value 23, the total sockaddr size for this is 0x1C.