mirror of https://github.com/mkerrisk/man-pages
117 lines
2.1 KiB
Groff
117 lines
2.1 KiB
Groff
.\" This page was taken from the 4.4BSD-Lite CDROM (BSD license)
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.\"
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.\" @(#)getrpcent.3n 2.2 88/08/02 4.0 RPCSRC; from 1.11 88/03/14 SMI
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.TH GETRPCENT 3 2007-05-18 "" "Linux Programmer's Manual"
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.SH NAME
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getrpcent, getrpcbyname, getrpcbynumber, setrpcent, endrpcent \- get
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RPC entry
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.SH SYNOPSIS
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.nf
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.ft B
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#include <netdb.h>
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.LP
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.ft B
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struct rpcent *getrpcent()
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.LP
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.ft B
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struct rpcent *getrpcbyname(name)
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char *name;
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.LP
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.ft B
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struct rpcent *getrpcbynumber(number)
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int number;
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.LP
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.ft B
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setrpcent(stayopen)
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int stayopen;
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.LP
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.ft B
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endrpcent()
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.fi
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.SH DESCRIPTION
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.LP
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.BR getrpcent (),
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.BR getrpcbyname (),
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and
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.BR getrpcbynumber ()
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each return a pointer to an object with the
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following structure
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containing the broken-out
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fields of a line in the rpc program number data base,
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.IR /etc/rpc .
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.RS
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.LP
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.nf
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.ft B
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struct rpcent {
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char *r_name; /* name of server for this rpc program */
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char **r_aliases; /* alias list */
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long r_number; /* rpc program number */
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};
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.ft R
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.fi
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.RE
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.LP
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The members of this structure are:
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.RS
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.PD 0
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.TP 20
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.I r_name
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The name of the server for this rpc program.
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.TP 20
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.I r_aliases
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A zero terminated list of alternate names for the rpc program.
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.TP 20
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.I r_number
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The rpc program number for this service.
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.PD
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.RE
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.LP
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.BR getrpcent ()
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reads the next line of the file, opening the file if necessary.
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.LP
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.BR setrpcent ()
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opens and rewinds the file.
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If the
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.I stayopen
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flag is non-zero,
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the net data base will not be closed after each call to
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.BR getrpcent ()
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(either directly, or indirectly through one of
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the other \*(lqgetrpc\*(rq calls).
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.LP
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.BR endrpcent ()
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closes the file.
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.LP
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.BR getrpcbyname ()
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and
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.BR getrpcbynumber ()
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sequentially search from the beginning
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of the file until a matching rpc program name or
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program number is found, or until end-of-file is encountered.
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.SH RETURN VALUE
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.LP
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A
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.SM NULL
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pointer is returned on
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.SM EOF
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or error.
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.SH FILES
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.PD 0
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.TP 20
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.I /etc/rpc
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.PD
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.SH "CONFORMING TO"
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Not in POSIX.1-2001.
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Present on the BSDs, Solaris, and many other systems.
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.SH BUGS
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.LP
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All information
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is contained in a static area
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so it must be copied if it is
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to be saved.
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.SH "SEE ALSO"
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.BR rpc (5),
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.BR rpcinfo (8),
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.BR ypserv (8)
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