1 | /*
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2 | netinet/in.h
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3 | */
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4 |
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5 | #ifndef _NETINET__IN_H
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6 | #define _NETINET__IN_H
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7 |
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8 | /* Can we include <stdint.h> here or do we need an additional header that is
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9 | * safe to include?
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10 | */
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11 | #include <stdint.h>
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12 |
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13 | /* Open Group Base Specifications Issue 6 (not complete) */
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14 | #define INADDR_ANY (uint32_t)0x00000000
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15 | #define INADDR_BROADCAST (uint32_t)0xFFFFFFFF
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16 |
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17 | #define IN_LOOPBACKNET 127
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18 |
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19 | #define IPPORT_RESERVED 1024
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20 |
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21 | typedef uint16_t in_port_t;
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22 |
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23 | #ifndef _IN_ADDR_T
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24 | #define _IN_ADDR_T
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25 | typedef uint32_t in_addr_t;
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26 | #endif /* _IN_ADDR_T */
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27 |
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28 | #ifndef _SA_FAMILY_T
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29 | #define _SA_FAMILY_T
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30 | /* Should match corresponding typedef in <sys/socket.h> */
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31 | typedef uint8_t sa_family_t;
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32 | #endif /* _SA_FAMILY_T */
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33 |
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34 | /* Protocols */
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35 | #define IPPROTO_IP 0 /* Dummy protocol */
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36 | #define IPPROTO_ICMP 1 /* ICMP */
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37 | #define IPPROTO_TCP 6 /* TCP */
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38 | #define IPPROTO_EGP 8 /* exterior gateway protocol */
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39 | #define IPPROTO_UDP 17 /* UDP */
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40 |
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41 | /* setsockopt options at IP level */
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42 | #define IP_ADD_MEMBERSHIP 12
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43 | #define IP_DROP_MEMBERSHIP 13
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44 |
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45 | #ifndef _STRUCT_IN_ADDR
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46 | #define _STRUCT_IN_ADDR
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47 | struct in_addr
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48 | {
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49 | in_addr_t s_addr;
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50 | };
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51 | #endif
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52 |
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53 | struct sockaddr_in
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54 | {
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55 | sa_family_t sin_family;
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56 | in_port_t sin_port;
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57 | struct in_addr sin_addr;
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58 | };
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59 |
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60 | struct ip_mreq
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61 | {
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62 | struct in_addr imr_multiaddr;
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63 | struct in_addr imr_interface;
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64 | };
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65 |
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66 | /* Definitions that are not part of the Open Group Base Specifications */
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67 | #define IN_CLASSA(i) (((uint32_t)(i) & 0x80000000) == 0)
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68 | #define IN_CLASSA_NET 0xff000000
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69 | #define IN_CLASSA_NSHIFT 24
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70 |
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71 | #define IN_CLASSB(i) (((uint32_t)(i) & 0xc0000000) == 0x80000000)
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72 | #define IN_CLASSB_NET 0xffff0000
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73 | #define IN_CLASSB_NSHIFT 16
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74 |
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75 | #define IN_CLASSC(i) (((uint32_t)(i) & 0xe0000000) == 0xc0000000)
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76 | #define IN_CLASSC_NET 0xffffff00
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77 | #define IN_CLASSC_NSHIFT 8
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78 |
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79 | #define IN_CLASSD(i) (((uint32_t)(i) & 0xf0000000) == 0xe0000000)
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80 | #define IN_CLASSD_NET 0xf0000000
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81 | #define IN_CLASSD_NSHIFT 28
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82 |
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83 | #endif /* _NETINET__IN_H */
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