getrpcport.c revision 16236 
1/*
2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
3 * unrestricted use provided that this legend is included on all tape
4 * media and as a part of the software program in whole or part.  Users
5 * may copy or modify Sun RPC without charge, but are not authorized
6 * to license or distribute it to anyone else except as part of a product or
7 * program developed by the user.
8 *
9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
12 *
13 * Sun RPC is provided with no support and without any obligation on the
14 * part of Sun Microsystems, Inc. to assist in its use, correction,
15 * modification or enhancement.
16 *
17 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
18 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
19 * OR ANY PART THEREOF.
20 *
21 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
22 * or profits or other special, indirect and consequential damages, even if
23 * Sun has been advised of the possibility of such damages.
24 *
25 * Sun Microsystems, Inc.
26 * 2550 Garcia Avenue
27 * Mountain View, California  94043
28 */
29
30#if defined(LIBC_SCCS) && !defined(lint)
31/*static char *sccsid = "from: @(#)getrpcport.c 1.3 87/08/11 SMI";*/
32/*static char *sccsid = "from: @(#)getrpcport.c	2.1 88/07/29 4.0 RPCSRC";*/
33static char *rcsid = "$Id: getrpcport.c,v 1.3 1995/10/22 14:51:26 phk Exp $";
34#endif
35
36/*
37 * Copyright (c) 1985 by Sun Microsystems, Inc.
38 */
39
40#include <stdio.h>
41#include <string.h>
42#include <rpc/rpc.h>
43#include <netdb.h>
44#include <sys/socket.h>
45
46u_short pmap_getport(struct sockaddr_in *, u_long, u_long, u_int);
47
48int getrpcport(host, prognum, versnum, proto)
49	char *host;
50	int prognum, versnum, proto;
51{
52	struct sockaddr_in addr;
53	struct hostent *hp;
54
55	if ((hp = gethostbyname(host)) == NULL)
56		return (0);
57	bcopy(hp->h_addr, (char *) &addr.sin_addr, hp->h_length);
58	addr.sin_family = AF_INET;
59	addr.sin_port =  0;
60	return (pmap_getport(&addr, prognum, versnum, proto));
61}
62