112 lines
3.8 KiB
C
112 lines
3.8 KiB
C
#ifndef _NETDB_H
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#define _NETDB_H 1
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// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/netdb.h.html
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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#include <netinet/in.h>
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#include <sys/socket.h>
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#include <inttypes.h>
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#define IPPORT_RESERVED 1024
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#define AI_PASSIVE 0x01
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#define AI_CANONNAME 0x02
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#define AI_NUMERICHOST 0x04
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#define AI_NUMERICSERV 0x08
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#define AI_V4MAPPED 0x10
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#define AI_ALL 0x20
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#define AI_ADDRCONFIG 0x40
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#define NI_NOFQDN 0x01
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#define NI_NUMERICHOST 0x02
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#define NI_NAMEREQD 0x04
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#define NI_NUMERICSERV 0x08
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#define NI_NUMERICSCOPE 0x10
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#define NI_DGRAM 0x20
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#define EAI_AGAIN 1
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#define EAI_BADFLAGS 2
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#define EAI_FAIL 3
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#define EAI_FAMILY 4
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#define EAI_MEMORY 5
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#define EAI_NONAME 6
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#define EAI_SERVICE 7
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#define EAI_SOCKTYPE 8
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#define EAI_SYSTEM 9
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#define EAI_OVERFLOW 10
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struct hostent
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{
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char* h_name; /* Official name of the host. */
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char** h_aliases; /* A pointer to an array of pointers to alternative host names, terminated by a null pointer. */
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int h_addrtype; /* Address type. */
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int h_length; /* The length, in bytes, of the address. */
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char** h_addr_list; /* A pointer to an array of pointers to network addresses (in network byte order) for the host, terminated by a null pointer. */
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};
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struct netent
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{
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char* n_name; /* Official, fully-qualified (including the domain) name of the host. */
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char** n_aliases; /* A pointer to an array of pointers to alternative network names, terminated by a null pointer. */
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int n_addrtype; /* The address type of the network. */
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uint32_t n_net; /* The network number, in host byte order. */
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};
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struct protoent
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{
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char* p_name; /* Official name of the protocol. */
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char** p_aliases; /* A pointer to an array of pointers to alternative protocol names, terminated by a null pointer. */
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int p_proto; /* The protocol number. */
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};
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struct servent
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{
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char* s_name; /* Official name of the service. */
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char** s_aliases; /* A pointer to an array of pointers to alternative service names, terminated by a null pointer. */
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int s_port; /* A value which, when converted to uint16_t, yields the port number in network byte order at which the service resides. */
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char* s_proto; /* The name of the protocol to use when contacting the service. */
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};
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struct addrinfo
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{
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int ai_flags; /* Input flags. */
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int ai_family; /* Address family of socket. */
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int ai_socktype; /* Socket type. */
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int ai_protocol; /* Protocol of socket. */
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socklen_t ai_addrlen; /* Length of socket address. */
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struct sockaddr* ai_addr; /* Socket address of socket. */
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char* ai_canonname; /* Canonical name of service location. */
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struct addrinfo* ai_next; /* Pointer to next in list. */
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};
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void endhostent(void);
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void endnetent(void);
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void endprotoent(void);
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void endservent(void);
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void freeaddrinfo(struct addrinfo* ai);
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const char* gai_strerror(int ecode);
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int getaddrinfo(const char* __restrict nodename, const char* __restrict servname, const struct addrinfo* __restrict hints, struct addrinfo** __restrict res);
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struct hostent* gethostent(void);
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int getnameinfo(const struct sockaddr* __restrict sa, socklen_t salen, char* __restrict node, socklen_t nodelen, char* __restrict service, socklen_t servicelen, int flags);
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struct netent* getnetbyaddr(uint32_t net, int type);
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struct netent* getnetbyname(const char* name);
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struct netent* getnetent(void);
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struct protoent* getprotobyname(const char* name);
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struct protoent* getprotobynumber(int proto);
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struct protoent* getprotoent(void);
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struct servent* getservbyname(const char* name, const char* proto);
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struct servent* getservbyport(int port, const char* proto);
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struct servent* getservent(void);
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void sethostent(int stayopen);
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void setnetent(int stayopen);
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void setprotoent(int stayopen);
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void setservent(int stayopen);
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__END_DECLS
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#endif
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