banan-os/userspace/libraries/LibC/include/netdb.h

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