1 /* 2 * Copyright (c) 1988-1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that: (1) source code distributions 7 * retain the above copyright notice and this paragraph in its entirety, (2) 8 * distributions including binary code include the above copyright notice and 9 * this paragraph in its entirety in the documentation or other materials 10 * provided with the distribution, and (3) all advertising materials mentioning 11 * features or use of this software display the following acknowledgement: 12 * ``This product includes software developed by the University of California, 13 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of 14 * the University nor the names of its contributors may be used to endorse 15 * or promote products derived from this software without specific prior 16 * written permission. 17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED 18 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 20 * 21 * @(#) $Header: nametoaddr.h,v 1.6 90/09/24 12:50:41 mccanne Exp $ (LBL) 22 * 23 * Address to name translation routines. 24 */ 25 26 extern u_long **s_nametoaddr(); 27 extern u_long s_nametonetaddr(); 28 29 extern int s_nametoport(); 30 extern int s_nametoproto(); 31 extern int s_nametoeproto(); 32 33 extern u_char *ETHER_hostton(); 34 extern u_char *ETHER_aton(); 35 36 /* 37 * If a protocol is unknown, PROTO_UNDEF is returned. 38 * Also, s_nametoport() returns the protocol along with the port number. 39 * If there are ambiguous entried in /etc/services (i.e. domain 40 * can be either tcp or udp) PROTO_UNDEF is returned. 41 */ 42 #define PROTO_UNDEF -1 43 44