HP NSARPA/1000 manual 78

inet_makeaddr()

Constructs an Internet (IP) address from an Internet network address and a local node address.

IPaddr = inet_makeaddr(net, node)

struct in_addr IPaddr;

u_long net, node;

IPaddr	Internet (IP) address constructed from the specified network
	address and node address.
	IP addresses for the Internet family are stored in an address
	variable of type in_addr. Refer to •Preparing Socket
	Addresses" in BSD IPC Reference Manual for NSARPA/1000
	and ARPA/1000 for more information on in_addr.
net	Internet network number that defines the network on which a
	node resides. The network number makes up a portion of an IP
	address.
node	Internet node address that defines the address of a node within
	a network. The node address makes up a portion of an IP
	address.

inet_netof()

Breaks apart an IP address and returns the network address portion of the IP address.

network = inet_netof(IPaddr)

u_long network; struct in_addr IPaddr;

network	Network address portion of the IP address returned by
	inet_netof().
IPaddr	IP address of the local host. IP addresses for the Internet
	family are stored in an address variable of type in_addr.

inet_network()

Interprets character strings representing numbers in the Internet standard •dot" notation, and returns numbers suitable for use as Internet network numbers.

network = inet_network(string)

struct in_addr network;

char*string;

network	Internet network number returned by inet_network().
string	Pointer to character string representing numbers expressed in
	the Internet standard •dot" notation, such as: •192.41.233.2".
	Terminate the string with the character \0.

430 Berkeley Software Distribution Interprocess Communication