; Socket types
SOCK_STREAM	= 1
SOCK_DGRAM	= 2
SOCK_RAW	= 3

; Socket options
SO_NONBLOCK	= 1 shl 31

; IP protocols
IPPROTO_IP	= 0
IPPROTO_ICMP	= 1
IPPROTO_TCP	= 6
IPPROTO_UDP	= 17

; Address families
AF_UNSPEC	= 0
AF_LOCAL	= 1
AF_INET4	= 2	; IPv4
AF_INET6	= 28	; IPv6 (not supported yet)

PF_UNSPEC	= AF_UNSPEC
PF_LOCAL	= AF_LOCAL
PF_INET4	= AF_INET4
PF_INET6	= AF_INET6

; Flags for addrinfo
AI_PASSIVE	= 1
AI_CANONNAME	= 2
AI_NUMERICHOST	= 4
AI_NUMERICSERV	= 8
AI_ADDRCONFIG	= 0x400

; internal definition
AI_SUPPORTED	= 0x40F

; for system function 76
API_ETH 	= 0 shl 16
API_IPv4	= 1 shl 16
API_ICMP	= 2 shl 16
API_UDP 	= 3 shl 16
API_TCP 	= 4 shl 16
API_ARP 	= 5 shl 16
API_PPPOE	= 6 shl 16

struct sockaddr_in
	sin_family	dw	?	; sa_family_t
	sin_port	dw	?	; in_port_t
	sin_addr	dd	?	; struct in_addr
	sin_zero	rb	8	; zero
ends

struct addrinfo
	ai_flags	dd	?	; bitmask of AI_*
	ai_family	dd	?	; PF_*
	ai_socktype	dd	?	; SOCK_*
	ai_protocol	dd	?	; 0 or IPPROTO_*
	ai_addrlen	dd	?	; length of ai_addr
	ai_canonname	dd	?	; char*
	ai_addr 	dd	?	; struct sockaddr*
	ai_next 	dd	?	; struct addrinfo*
ends

EAI_ADDRFAMILY	= 1
EAI_AGAIN	= 2
EAI_BADFLAGS	= 3
EAI_FAIL	= 4
EAI_FAMILY	= 5
EAI_MEMORY	= 6
EAI_NONAME	= 8
EAI_SERVICE	= 9
EAI_SOCKTYPE	= 10
EAI_BADHINTS	= 12
EAI_PROTOCOL	= 13
EAI_OVERFLOW	= 14

socket		fix 75, 0
close		fix 75, 1
bind		fix 75, 2
listen		fix 75, 3
connect 	fix 75, 4
accept		fix 75, 5
send		fix 75, 6
recv		fix 75, 7
setsockopt	fix 75, 8
getsockopt	fix 75, 9
socketpair	fix 75, 10


struct	ARP_entry
	IP	dd ?
	MAC	dp ?
	status	dw ?
	TTL	dw ?
ends