📄 netdb.h
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/* * Copyright (C) 2004 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 2000, 2001 Internet Software Consortium. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. *//* $Id: netdb.h,v 1.2.2.2.2.3 2004/03/11 01:02:38 marka Exp $ */#ifndef NETDB_H#define NETDB_H 1#include <stddef.h> #include <winsock2.h>/* * Define if <netdb.h> does not declare struct addrinfo. */struct addrinfo { int ai_flags; /* AI_PASSIVE, AI_CANONNAME */ int ai_family; /* PF_xxx */ int ai_socktype; /* SOCK_xxx */ int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */ size_t ai_addrlen; /* Length of ai_addr */ char *ai_canonname; /* Canonical name for hostname */ struct sockaddr *ai_addr; /* Binary address */ struct addrinfo *ai_next; /* Next structure in linked list */};/* * Undefine all #defines we are interested in as <netdb.h> may or may not have * defined them. *//* * Error return codes from gethostbyname() and gethostbyaddr() * (left in extern int h_errno). */#undef NETDB_INTERNAL#undef NETDB_SUCCESS#undef HOST_NOT_FOUND#undef TRY_AGAIN#undef NO_RECOVERY#undef NO_DATA#undef NO_ADDRESS#define NETDB_INTERNAL -1 /* see errno */#define NETDB_SUCCESS 0 /* no problem */#define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found */#define TRY_AGAIN 2 /* Non-Authoritive Host not found, or SERVERFAIL */#define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */#define NO_DATA 4 /* Valid name, no data record of requested type */#define NO_ADDRESS NO_DATA /* no address, look for MX record *//* * Error return codes from getaddrinfo() */#undef EAI_ADDRFAMILY#undef EAI_AGAIN#undef EAI_BADFLAGS#undef EAI_FAIL#undef EAI_FAMILY#undef EAI_MEMORY#undef EAI_NODATA#undef EAI_NONAME#undef EAI_SERVICE#undef EAI_SOCKTYPE#undef EAI_SYSTEM#undef EAI_BADHINTS#undef EAI_PROTOCOL#undef EAI_MAX#define EAI_ADDRFAMILY 1 /* address family for hostname not supported */#define EAI_AGAIN 2 /* temporary failure in name resolution */#define EAI_BADFLAGS 3 /* invalid value for ai_flags */#define EAI_FAIL 4 /* non-recoverable failure in name resolution */#define EAI_FAMILY 5 /* ai_family not supported */#define EAI_MEMORY 6 /* memory allocation failure */#define EAI_NODATA 7 /* no address associated with hostname */#define EAI_NONAME 8 /* hostname nor servname provided, or not known */#define EAI_SERVICE 9 /* servname not supported for ai_socktype */#define EAI_SOCKTYPE 10 /* ai_socktype not supported */#define EAI_SYSTEM 11 /* system error returned in errno */#define EAI_BADHINTS 12#define EAI_PROTOCOL 13#define EAI_MAX 14/* * Flag values for getaddrinfo() */#undef AI_PASSIVE#undef AI_CANONNAME#undef AI_NUMERICHOST#define AI_PASSIVE 0x00000001#define AI_CANONNAME 0x00000002#define AI_NUMERICHOST 0x00000004/* * Flag values for getipnodebyname() */#undef AI_V4MAPPED#undef AI_ALL#undef AI_ADDRCONFIG#undef AI_DEFAULT#define AI_V4MAPPED 0x00000008#define AI_ALL 0x00000010#define AI_ADDRCONFIG 0x00000020#define AI_DEFAULT (AI_V4MAPPED|AI_ADDRCONFIG)/* * Constants for getnameinfo() */#undef NI_MAXHOST#undef NI_MAXSERV#define NI_MAXHOST 1025#define NI_MAXSERV 32/* * Flag values for getnameinfo() */#undef NI_NOFQDN#undef NI_NUMERICHOST#undef NI_NAMEREQD#undef NI_NUMERICSERV#undef NI_DGRAM#undef NI_NUMERICSCOPE#define NI_NOFQDN 0x00000001#define NI_NUMERICHOST 0x00000002#define NI_NAMEREQD 0x00000004#define NI_NUMERICSERV 0x00000008#define NI_DGRAM 0x00000010#define NI_NUMERICSCOPE 0x00000020 /*2553bis-00*//* * Structures for getrrsetbyname() */struct rdatainfo { unsigned int rdi_length; unsigned char *rdi_data;};struct rrsetinfo { unsigned int rri_flags; int rri_rdclass; int rri_rdtype; unsigned int rri_ttl; unsigned int rri_nrdatas; unsigned int rri_nsigs; char *rri_name; struct rdatainfo *rri_rdatas; struct rdatainfo *rri_sigs;};/* * Flags for getrrsetbyname() */#define RRSET_VALIDATED 0x00000001 /* Set was dnssec validated *//* * Return codes for getrrsetbyname() */#define ERRSET_SUCCESS 0#define ERRSET_NOMEMORY 1#define ERRSET_FAIL 2#define ERRSET_INVAL 3#endif /* NETDB_H */
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