getrpcent(3) — Linux manual pages

Linux manual pages	Section 3

Name

getrpcent, getrpcbyname, getrpcbynumber, setrpcent, endrpcent — get RPC entry

Synopsis

#include <netdb.h>

struct rpcent *getrpcent( void);

struct rpcent *getrpcbyname( char *name);

struct rpcent *getrpcbynumber( int number);

void setrpcent( int stayopen);

void endrpcent( void);

DESCRIPTION

getrpcent(), getrpcbyname(), and getrpcbynumber() each return a pointer to an object with the following structure containing the broken-out fields of an entry in the RPC program number data base.

struct rpcent {

char * r_name;
/* name of server for this RPC program */

char ** r_aliases;
/* alias list */

long r_number;
/* RPC program number */

};

The members of this structure are:

r_name

The name of the server for this RPC program.

r_aliases

A NULL-terminated list of alternate names for the RPC program.

r_number

The RPC program number for this service.

getrpcent() reads the next entry from the database. A connection is opened to the database if necessary.

setrpcent() function opens a connection to the database, and sets the next entry to the first entry. If stayopen is nonzero, then the connection to the database will not be closed between calls to one of the getrpc*() functions.

The endrpcent() function closes the connection to the database.

getrpcbyname() and getrpcbynumber() sequentially search from the beginning of the file until a matching RPC program name or program number is found, or until end-of-file is encountered.

RETURN VALUE

On success, getrpcent(), getrpcbyname(), and getrpcbynumber() return a pointer to a statically allocated rpcent structure. A NULL pointer is returned on EOF or error.

FILES

/etc/rpc: RPC program number database.

CONFORMING TO

Not in POSIX.1-2001. Present on the BSDs, Solaris, and many other systems.

BUGS

All information is contained in a static area so it must be copied if it is to be saved.

COLOPHON

This page is part of release 3.24 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.

This page was taken from the 4.4BSD-Lite CDROM (BSD license)

(#)getrpcent.3n 2.2 88/08/02 4.0 RPCSRC; from 1.11 88/03/14 SMI

struct	rpcent {
	char	*	`r_name`;	/* name of server for this RPC program */
	char	**	`r_aliases`;	/* alias list */
	long		`r_number`;	/* RPC program number */
};