9 #include <netinet/in.h>
11 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
13 #include <bits/alltypes.h>
22 struct sockaddr *ai_addr;
24 struct addrinfo *ai_next;
27 #define AI_PASSIVE 0x01
28 #define AI_CANONNAME 0x02
29 #define AI_NUMERICHOST 0x04
30 #define AI_V4MAPPED 0x08
32 #define AI_ADDRCONFIG 0x20
33 #define AI_NUMERICSERV 0x400
36 #define NI_NUMERICHOST 0x01
37 #define NI_NUMERICSERV 0x02
38 #define NI_NOFQDN 0x04
39 #define NI_NAMEREQD 0x08
41 #define NI_NUMERICSCOPE 0x100
43 #define EAI_BADFLAGS -1
49 #define EAI_SOCKTYPE -7
50 #define EAI_SERVICE -8
51 #define EAI_MEMORY -10
52 #define EAI_SYSTEM -11
53 #define EAI_OVERFLOW -12
55 int getaddrinfo (const char *__restrict, const char *__restrict, const struct addrinfo *__restrict, struct addrinfo **__restrict);
56 void freeaddrinfo (struct addrinfo *);
57 int getnameinfo (const struct sockaddr *__restrict, socklen_t, char *__restrict, socklen_t, char *__restrict, socklen_t, int);
58 const char *gai_strerror(int);
61 /* Legacy functions follow (marked OBsolete in SUS) */
77 #define h_addr h_addr_list[0]
92 void sethostent (int);
93 void endhostent (void);
94 struct hostent *gethostent (void);
97 void endnetent (void);
98 struct netent *getnetent (void);
99 struct netent *getnetbyaddr (uint32_t, int);
100 struct netent *getnetbyname (const char *);
102 void setservent (int);
103 void endservent (void);
104 struct servent *getservent (void);
105 struct servent *getservbyname (const char *, const char *);
106 struct servent *getservbyport (int, const char *);
108 void setprotoent (int);
109 void endprotoent (void);
110 struct protoent *getprotoent (void);
111 struct protoent *getprotobyname (const char *);
112 struct protoent *getprotobynumber (int);
114 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) || defined(_POSIX_SOURCE) \
115 || (defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE+0 < 200809L) \
116 || (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE+0 < 700)
117 struct hostent *gethostbyname (const char *);
118 struct hostent *gethostbyaddr (const void *, socklen_t, int);
120 __attribute__((const))
122 int *__h_errno_location(void);
123 #define h_errno (*__h_errno_location())
124 #define HOST_NOT_FOUND 1
126 #define NO_RECOVERY 3
128 #define NO_ADDRESS NO_DATA
131 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
132 void herror(const char *);
133 const char *hstrerror(int);
134 int gethostbyname_r(const char *, struct hostent *, char *, size_t, struct hostent **, int *);
135 int gethostbyname2_r(const char *, int, struct hostent *, char *, size_t, struct hostent **, int *);
136 struct hostent *gethostbyname2(const char *, int);
137 int gethostbyaddr_r(const void *, socklen_t, int, struct hostent *, char *, size_t, struct hostent **, int *);
138 int getservbyport_r(int, const char *, struct servent *, char *, size_t, struct servent **);
139 int getservbyname_r(const char *, const char *, struct servent *, char *, size_t, struct servent **);
140 #define EAI_NODATA -5
141 #define EAI_ADDRFAMILY -9
142 #define EAI_INPROGRESS -100
143 #define EAI_CANCELED -101
144 #define EAI_NOTCANCELED -102
145 #define EAI_ALLDONE -103
146 #define EAI_INTR -104
147 #define EAI_IDN_ENCODE -105
148 #define NI_MAXHOST 255
149 #define NI_MAXSERV 32