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| 1 #ifndef _NETDB_H |
| 2 #define _NETDB_H |
| 3 |
| 4 #ifdef __cplusplus |
| 5 extern "C" { |
| 6 #endif |
| 7 |
| 8 #include <features.h> |
| 9 #include <netinet/in.h> |
| 10 |
| 11 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) |
| 12 #define __NEED_size_t |
| 13 #include <bits/alltypes.h> |
| 14 #endif |
| 15 |
| 16 struct addrinfo |
| 17 { |
| 18 int ai_flags; |
| 19 int ai_family; |
| 20 int ai_socktype; |
| 21 int ai_protocol; |
| 22 socklen_t ai_addrlen; |
| 23 struct sockaddr *ai_addr; |
| 24 char *ai_canonname; |
| 25 struct addrinfo *ai_next; |
| 26 }; |
| 27 |
| 28 #define IPPORT_RESERVED 1024 |
| 29 |
| 30 #define AI_PASSIVE 0x01 |
| 31 #define AI_CANONNAME 0x02 |
| 32 #define AI_NUMERICHOST 0x04 |
| 33 #define AI_V4MAPPED 0x08 |
| 34 #define AI_ALL 0x10 |
| 35 #define AI_ADDRCONFIG 0x20 |
| 36 #define AI_NUMERICSERV 0x400 |
| 37 |
| 38 |
| 39 #define NI_NUMERICHOST 0x01 |
| 40 #define NI_NUMERICSERV 0x02 |
| 41 #define NI_NOFQDN 0x04 |
| 42 #define NI_NAMEREQD 0x08 |
| 43 #define NI_DGRAM 0x10 |
| 44 #define NI_NUMERICSCOPE 0x100 |
| 45 |
| 46 #define EAI_BADFLAGS -1 |
| 47 #define EAI_NONAME -2 |
| 48 #define EAI_AGAIN -3 |
| 49 #define EAI_FAIL -4 |
| 50 #define EAI_FAMILY -6 |
| 51 #define EAI_SOCKTYPE -7 |
| 52 #define EAI_SERVICE -8 |
| 53 #define EAI_MEMORY -10 |
| 54 #define EAI_SYSTEM -11 |
| 55 #define EAI_OVERFLOW -12 |
| 56 |
| 57 int getaddrinfo (const char *__restrict, const char *__restrict, const struct ad
drinfo *__restrict, struct addrinfo **__restrict); |
| 58 void freeaddrinfo (struct addrinfo *); |
| 59 int getnameinfo (const struct sockaddr *__restrict, socklen_t, char *__restrict,
socklen_t, char *__restrict, socklen_t, int); |
| 60 const char *gai_strerror(int); |
| 61 |
| 62 |
| 63 /* Legacy functions follow (marked OBsolete in SUS) */ |
| 64 |
| 65 struct netent |
| 66 { |
| 67 char *n_name; |
| 68 char **n_aliases; |
| 69 int n_addrtype; |
| 70 uint32_t n_net; |
| 71 }; |
| 72 |
| 73 struct hostent |
| 74 { |
| 75 char *h_name; |
| 76 char **h_aliases; |
| 77 int h_addrtype; |
| 78 int h_length; |
| 79 char **h_addr_list; |
| 80 }; |
| 81 #define h_addr h_addr_list[0] |
| 82 |
| 83 struct servent |
| 84 { |
| 85 char *s_name; |
| 86 char **s_aliases; |
| 87 int s_port; |
| 88 char *s_proto; |
| 89 }; |
| 90 |
| 91 struct protoent |
| 92 { |
| 93 char *p_name; |
| 94 char **p_aliases; |
| 95 int p_proto; |
| 96 }; |
| 97 |
| 98 void sethostent (int); |
| 99 void endhostent (void); |
| 100 struct hostent *gethostent (void); |
| 101 |
| 102 void setnetent (int); |
| 103 void endnetent (void); |
| 104 struct netent *getnetent (void); |
| 105 struct netent *getnetbyaddr (uint32_t, int); |
| 106 struct netent *getnetbyname (const char *); |
| 107 |
| 108 void setservent (int); |
| 109 void endservent (void); |
| 110 struct servent *getservent (void); |
| 111 struct servent *getservbyname (const char *, const char *); |
| 112 struct servent *getservbyport (int, const char *); |
| 113 |
| 114 void setprotoent (int); |
| 115 void endprotoent (void); |
| 116 struct protoent *getprotoent (void); |
| 117 struct protoent *getprotobyname (const char *); |
| 118 struct protoent *getprotobynumber (int); |
| 119 |
| 120 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) || defined(_POSIX_SOURCE) \ |
| 121 || (defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE+0 < 200809L) \ |
| 122 || (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE+0 < 700) |
| 123 struct hostent *gethostbyname (const char *); |
| 124 struct hostent *gethostbyaddr (const void *, socklen_t, int); |
| 125 int *__h_errno_location(void); |
| 126 #define h_errno (*__h_errno_location()) |
| 127 #define HOST_NOT_FOUND 1 |
| 128 #define TRY_AGAIN 2 |
| 129 #define NO_RECOVERY 3 |
| 130 #define NO_DATA 4 |
| 131 #define NO_ADDRESS NO_DATA |
| 132 #endif |
| 133 |
| 134 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) |
| 135 void herror(const char *); |
| 136 const char *hstrerror(int); |
| 137 int gethostbyname_r(const char *, struct hostent *, char *, size_t, struct hoste
nt **, int *); |
| 138 int gethostbyname2_r(const char *, int, struct hostent *, char *, size_t, struct
hostent **, int *); |
| 139 struct hostent *gethostbyname2(const char *, int); |
| 140 int gethostbyaddr_r(const void *, socklen_t, int, struct hostent *, char *, size
_t, struct hostent **, int *); |
| 141 int getservbyport_r(int, const char *, struct servent *, char *, size_t, struct
servent **); |
| 142 int getservbyname_r(const char *, const char *, struct servent *, char *, size_t
, struct servent **); |
| 143 #define EAI_NODATA -5 |
| 144 #define EAI_ADDRFAMILY -9 |
| 145 #define EAI_INPROGRESS -100 |
| 146 #define EAI_CANCELED -101 |
| 147 #define EAI_NOTCANCELED -102 |
| 148 #define EAI_ALLDONE -103 |
| 149 #define EAI_INTR -104 |
| 150 #define EAI_IDN_ENCODE -105 |
| 151 #define NI_MAXHOST 255 |
| 152 #define NI_MAXSERV 32 |
| 153 #endif |
| 154 |
| 155 |
| 156 #ifdef __cplusplus |
| 157 } |
| 158 #endif |
| 159 |
| 160 #endif |
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