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.\" @(#)getrpcent.3n 2.2 88/08/02 4.0 RPCSRC; from 1.11 88/03/14 SMI
.TH GETRPCENT 3N "14 December 1987"
.SH NAME
getrpcent, getrpcbyname, getrpcbynumber \- get RPC entry
.SH SYNOPSIS
.nf
.ft B
#include <netdb.h>
.LP
.ft B
struct rpcent *getrpcent(\|)
.LP
.ft B
struct rpcent *getrpcbyname(name)
char *name;
.LP
.ft B
struct rpcent *getrpcbynumber(number)
int number;
.LP
.ft B
setrpcent (stayopen)
int stayopen
.LP
.ft B
endrpcent (\|)
.fi
.SH DESCRIPTION
.LP
.BR getrpcent(\|) ,
.BR getrpcbyname(\|) ,
and
.B getrpcbynumber(\|)
each return a pointer to an object with the
following structure
containing the broken-out
fields of a line in the rpc program number data base,
.BR /etc/rpc .
.RS
.LP
.nf
.ft B
struct rpcent {
char *r_name; /* name of server for this rpc program */
char **r_aliases; /* alias list */
long r_number; /* rpc program number */
};
.ft R
.fi
.RE
.LP
The members of this structure are:
.RS
.PD 0
.TP 20
.B r_name
The name of the server for this rpc program.
.TP 20
.B r_aliases
A zero terminated list of alternate names for the rpc program.
.TP 20
.B r_number
The rpc program number for this service.
.PD
.RE
.LP
.B getrpcent(\|)
reads the next line of the file, opening the file if necessary.
.LP
.B getrpcent(\|)
opens and rewinds the file. If the
.I stayopen
flag is non-zero,
the net data base will not be closed after each call to
.B getrpcent(\|)
(either directly, or indirectly through one of
the other \*(lqgetrpc\*(rq calls).
.LP
.B endrpcent
closes the file.
.LP
.B getrpcbyname(\|)
and
.B 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.
.SH FILES
.PD 0
.TP 20
.B /etc/rpc
.PD
.SH "SEE ALSO"
.BR rpc (5),
.BR rpcinfo (8C),
.BR ypserv (8)
.SH DIAGNOSTICS
.LP
A
.SM NULL
pointer is returned on
.SM EOF
or error.
.SH BUGS
.LP
All information
is contained in a static area
so it must be copied if it is
to be saved.
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