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in.h File Reference

Internet definitions. More...

#include <sys/types.h>

Go to the source code of this file.

Defines
#define	IPPROTO_IP   0
	Dummy for IP.
#define	IPPROTO_ICMP   1
	Control message protocol.
#define	IPPROTO_TCP   6
	Transmission control protocol.
#define	IPPROTO_UDP   17
	User datagram protocol.
#define	IPPROTO_RAW   255
	Raw IP packet.
#define	IPPROTO_MAX   256
	Maximum protocol identifier.
#define	IPPORT_RESERVED   1024
	Last reserved port number.
#define	IPPORT_USERRESERVED   5000
	User reserved port number.
#define	INADDR_ANY   (u_long)0x00000000
	Any IP address.
#define	INADDR_BROADCAST   (u_long)0xffffffff
	Broadcast IP address.
#define	IN_LOOPBACKNET   127
	Official loopback net address.

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Detailed Description

Internet definitions.

Constants and structures defined by the internet system.

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