/*
- * Copyright (c) 1982 Regents of the University of California.
- * All rights reserved. The Berkeley software License Agreement
- * specifies the terms and conditions for redistribution.
+ * Copyright (c) 1982, 1986 Regents of the University of California.
+ * All rights reserved.
*
- * @(#)in.h 6.6 (Berkeley) %G%
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley. The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * @(#)in.h 7.6 (Berkeley) %G%
*/
/*
/*
* Protocols
*/
+#define IPPROTO_IP 0 /* dummy for IP */
#define IPPROTO_ICMP 1 /* control message protocol */
-#define IPPROTO_GGP 2 /* gateway^2 (deprecated) */
+#define IPPROTO_GGP 3 /* gateway^2 (deprecated) */
#define IPPROTO_TCP 6 /* tcp */
#define IPPROTO_EGP 8 /* exterior gateway protocol */
#define IPPROTO_PUP 12 /* pup */
#define IPPROTO_UDP 17 /* user datagram protocol */
+#define IPPROTO_IDP 22 /* xns idp */
#define IPPROTO_RAW 255 /* raw IP packet */
#define IPPROTO_MAX 256
/*
* Ports < IPPORT_RESERVED are reserved for
* privileged processes (e.g. root).
+ * Ports > IPPORT_USERRESERVED are reserved
+ * for servers, not necessarily privileged.
*/
#define IPPORT_RESERVED 1024
+#define IPPORT_USERRESERVED 5000
/*
* Link numbers
* On subnets, the decomposition of addresses to host and net parts
* is done according to subnet mask, not the masks here.
*/
-#define IN_CLASSA(i) ((((long)(i))&0x80000000)==0)
+#define IN_CLASSA(i) (((long)(i) & 0x80000000) == 0)
#define IN_CLASSA_NET 0xff000000
#define IN_CLASSA_NSHIFT 24
#define IN_CLASSA_HOST 0x00ffffff
#define IN_CLASSA_MAX 128
-#define IN_CLASSB(i) ((((long)(i))&0xc0000000)==0x80000000)
+#define IN_CLASSB(i) (((long)(i) & 0xc0000000) == 0x80000000)
#define IN_CLASSB_NET 0xffff0000
#define IN_CLASSB_NSHIFT 16
#define IN_CLASSB_HOST 0x0000ffff
#define IN_CLASSB_MAX 65536
-#define IN_CLASSC(i) ((((long)(i))&0xc0000000)==0xc0000000)
+#define IN_CLASSC(i) (((long)(i) & 0xe0000000) == 0xc0000000)
#define IN_CLASSC_NET 0xffffff00
#define IN_CLASSC_NSHIFT 8
#define IN_CLASSC_HOST 0x000000ff
-#define INADDR_ANY 0x00000000
-#define INADDR_BROADCAST 0xffffffff /* must be masked */
+#define IN_CLASSD(i) (((long)(i) & 0xf0000000) == 0xe0000000)
+#define IN_MULTICAST(i) IN_CLASSD(i)
+
+#define IN_EXPERIMENTAL(i) (((long)(i) & 0xe0000000) == 0xe0000000)
+#define IN_BADCLASS(i) (((long)(i) & 0xf0000000) == 0xf0000000)
+
+#define INADDR_ANY (u_long)0x00000000
+#define INADDR_BROADCAST (u_long)0xffffffff /* must be masked */
+#ifndef KERNEL
+#define INADDR_NONE 0xffffffff /* -1 return */
+#endif
+
+#define IN_LOOPBACKNET 127 /* official! */
/*
* Socket address, internet style.
char sin_zero[8];
};
-#if !defined(vax)
/*
- * Macros for number representation conversion.
+ * Options for use with [gs]etsockopt at the IP level.
*/
-#define ntohl(x) (x)
-#define ntohs(x) (x)
-#define htonl(x) (x)
-#define htons(x) (x)
-#endif
+#define IP_OPTIONS 1 /* set/get IP per-packet options */
#ifdef KERNEL
extern struct domain inetdomain;
extern struct protosw inetsw[];
struct in_addr in_makeaddr();
+u_long in_netof(), in_lnaof();
#endif