.TH GETNETENT 3N "9 February 1983"
getnetent, getnetbyaddr, getnetbyname, setnetent, endnetent \- get network entry
struct netent *getnetent()
struct netent *getnetbyname(name)
struct netent *getnetbyaddr(net)
each return a pointer to an object with the
containing the broken-out
fields of a line in the network data base,
char *n_name; /* official name of net */
char **n_aliases; /* alias list */
int n_addrtype; /* net number type */
long n_net; /* net number */
The members of this structure are:
The official name of the network.
A zero terminated list of alternate names for the network.
The type of the network number returned; currently only AF_INET.
The network number. Network numbers are returned in machine byte
reads the next line of the file, opening the file if necessary.
opens and rewinds the file. If the
the net data base will not be closed after each call to
(either directly, or indirectly through one of
the other \*(lqgetnet\*(rq calls).
sequentially search from the beginning
of the file until a matching
or until EOF is encountered.
Network numbers are supplied in host order.
(0) returned on EOF or error.
is contained in a static area
so it must be copied if it is
to be saved. Only Internet network
numbers are currently understood.
Expecting network numbers to fit
in no more than 32 bits is probably