RTEMS  5.1
_kernel_in.h
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1982, 1986, 1990, 1993
5  * The Regents of the University of California. All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  * notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  * notice, this list of conditions and the following disclaimer in the
14  * documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the University nor the names of its contributors
16  * may be used to endorse or promote products derived from this software
17  * without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  * @(#)in.h 8.3 (Berkeley) 1/3/94
32  * $FreeBSD: head/sys/netinet/in.h 326023 2017-11-20 19:43:44Z pfg $
33  */
34 
35 #if !defined(_NETINET_IN_H_) || !defined(_KERNEL)
36 #error "must be included via <netinet/in.h> in kernel space"
37 #endif
38 
39 struct ifnet; struct mbuf; /* forward declarations for Standard C */
40 struct in_ifaddr;
41 
42 int in_broadcast(struct in_addr, struct ifnet *);
43 int in_ifaddr_broadcast(struct in_addr, struct in_ifaddr *);
44 int in_canforward(struct in_addr);
45 int in_localaddr(struct in_addr);
46 int in_localip(struct in_addr);
47 int in_ifhasaddr(struct ifnet *, struct in_addr);
48 int inet_aton(const char *, struct in_addr *); /* in libkern */
49 char *inet_ntoa_r(struct in_addr ina, char *buf); /* in libkern */
50 char *inet_ntop(int, const void *, char *, socklen_t); /* in libkern */
51 int inet_pton(int af, const char *, void *); /* in libkern */
52 void in_ifdetach(struct ifnet *);
53 
54 #define in_hosteq(s, t) ((s).s_addr == (t).s_addr)
55 #define in_nullhost(x) ((x).s_addr == INADDR_ANY)
56 #define in_allhosts(x) ((x).s_addr == htonl(INADDR_ALLHOSTS_GROUP))
57 
58 #define satosin(sa) ((struct sockaddr_in *)(sa))
59 #define sintosa(sin) ((struct sockaddr *)(sin))
60 #define ifatoia(ifa) ((struct in_ifaddr *)(ifa))
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