endnetent(3XNET) X/Open Networking Services Library Functions endnetent(3XNET)NAME
endnetent, getnetbyaddr, getnetbyname, getnetent, setnetent - network
database functions
SYNOPSIS
cc [ flag ... ] file ... -lxnet [ library ... ]
#include <netdb.h>
void endnetent(void);struct netent *getnetbyaddr(in_addr_t net, int
type);
struct netent *getnetbyname(const char *name);
struct netent *getnetent(void);
void setnetent(int stayopen);
DESCRIPTION
The getnetbyaddr(), getnetbyname() and getnetent(), functions each
return a pointer to a netent structure, the members of which contain
the fields of an entry in the network database.
The getnetent() function reads the next entry of the database, opening
a connection to the database if necessary.
The getnetbyaddr() function searches the database from the beginning,
and finds the first entry for which the address family specified by
type matches the n_addrtype member and the network number net matches
the n_net member, opening a connection to the database if necessary.
The net argument is the network number in host byte order.
The getnetbyname() function searches the database from the beginning
and finds the first entry for which the network name specified by name
matches the n_name member, opening a connection to the database if nec‐
essary.
The setnetent() function opens and rewinds the database. If the stay‐
open argument is non-zero, the connection to the net database will not
be closed after each call to getnetent() (either directly, or indi‐
rectly through one of the other getnet*() functions).
The endnetent() function closes the database.
USAGE
The getnetbyaddr(), getnetbyname() and getnetent(), functions may
return pointers to static data, which may be overwritten by subsequent
calls to any of these functions.
These functions are generally used with the Internet address family.
RETURN VALUES
On successful completion, getnetbyaddr(), getnetbyname() and getne‐
tent(), return a pointer to a netent structure if the requested entry
was found, and a null pointer if the end of the database was reached or
the requested entry was not found. Otherwise, a null pointer is
returned.
ERRORS
No errors are defined.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
┌─────────────────────────────┬─────────────────────────────┐
│ ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
├─────────────────────────────┼─────────────────────────────┤
│Interface Stability │Standard │
├─────────────────────────────┼─────────────────────────────┤
│MT-Level │MT-Safe │
└─────────────────────────────┴─────────────────────────────┘
SEE ALSOattributes(5), standards(5)SunOS 5.10 10 Jun 2002 endnetent(3XNET)