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