Constants and structures defined by the internet system.
Defines | |
| #define | _NETINET_IN_H_ |
| #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. | |