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120 lines
2.9 KiB
C
120 lines
2.9 KiB
C
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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// Includes essentially mandated by POSIX:
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// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/netdb.h.html
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#include <inttypes.h>
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#include <netinet/in.h>
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#include <sys/socket.h>
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#include <sys/cdefs.h>
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#include <sys/types.h>
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__BEGIN_DECLS
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struct hostent {
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char* h_name;
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char** h_aliases;
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int h_addrtype;
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int h_length;
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char** h_addr_list;
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#define h_addr h_addr_list[0]
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};
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struct hostent* gethostbyname(char const*);
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int gethostbyname_r(char const* __restrict name, struct hostent* __restrict ret, char* buffer, size_t buffer_size, struct hostent** __restrict result, int* __restrict h_errnop);
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struct hostent* gethostbyaddr(void const* addr, socklen_t len, int type);
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struct servent {
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char* s_name;
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char** s_aliases;
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int s_port;
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char* s_proto;
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};
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struct servent* getservent(void);
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struct servent* getservbyname(char const* name, char const* protocol);
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struct servent* getservbyport(int port, char const* protocol);
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void setservent(int stay_open);
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void endservent(void);
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struct protoent {
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char* p_name;
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char** p_aliases;
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int p_proto;
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};
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void endprotoent(void);
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struct protoent* getprotobyname(char const* name);
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struct protoent* getprotobynumber(int proto);
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struct protoent* getprotoent(void);
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void setprotoent(int stay_open);
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#ifdef NO_TLS
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extern int h_errno;
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#else
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extern __thread int h_errno;
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#endif
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#define HOST_NOT_FOUND 101
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#define NO_DATA 102
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#define NO_ADDRESS NO_DATA
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#define NO_RECOVERY 103
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#define TRY_AGAIN 104
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struct addrinfo {
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int ai_flags;
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int ai_family;
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int ai_socktype;
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int ai_protocol;
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socklen_t ai_addrlen;
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struct sockaddr* ai_addr;
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char* ai_canonname;
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struct addrinfo* ai_next;
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};
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#define EAI_ADDRFAMILY 1
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#define EAI_AGAIN 2
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#define EAI_BADFLAGS 3
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#define EAI_FAIL 4
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#define EAI_FAMILY 5
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#define EAI_MEMORY 6
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#define EAI_NODATA 7
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#define EAI_NONAME 8
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#define EAI_SERVICE 9
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#define EAI_SOCKTYPE 10
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#define EAI_SYSTEM 11
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#define EAI_OVERFLOW 12
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#define AI_PASSIVE 0x0001
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#define AI_CANONNAME 0x0002
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#define AI_NUMERICHOST 0x0004
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#define AI_NUMERICSERV 0x0008
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#define AI_V4MAPPED 0x0010
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#define AI_ALL 0x0020
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#define AI_ADDRCONFIG 0x0040
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#define NI_MAXHOST 1025
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#define NI_MAXSERV 32
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#define NI_NUMERICHOST (1 << 0)
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#define NI_NUMERICSERV (1 << 1)
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#define NI_NAMEREQD (1 << 2)
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#define NI_NOFQDN (1 << 3)
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#define NI_DGRAM (1 << 4)
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int getaddrinfo(char const* __restrict node, char const* __restrict service, const struct addrinfo* __restrict hints, struct addrinfo** __restrict res);
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void freeaddrinfo(struct addrinfo* res);
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char const* gai_strerror(int errcode);
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int getnameinfo(const struct sockaddr* __restrict addr, socklen_t addrlen, char* __restrict host, socklen_t hostlen, char* __restrict serv, socklen_t servlen, int flags);
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void herror(char const* s);
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char const* hstrerror(int err);
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__END_DECLS
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