netdb.h

Go to the documentation of this file.

#ifndef _NETDB_H
#define _NETDB_H

#ifdef __cplusplus
extern "C" {
#endif

#include <stdint.h>

typedef uint32_t socklen_t;

#define NI_NUMERICHOST 2
#define NI_NUMERICSERV 8

#define AI_PASSIVE 1

#define NI_MAXHOST 1025
#define NI_MAXSERV 32


struct addrinfo {
 int ai_flags; /* AI_PASSIVE, AI_CANONNAME,
 AI_NUMERICHOST, .. */
 int ai_family; /* AF_xxx */
 int ai_socktype; /* SOCK_xxx */
 int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
 int ai_addrlen; /* length of ai_addr */
 char *ai_canonname; /* canonical name for node name */
 struct sockaddr *ai_addr; /* binary address */
 struct addrinfo *ai_next; /* next structure in linked list */
};

int getaddrinfo(const char *node, const char *service, struct addrinfo *hints, struct addrinfo **res);
void freeaddrinfo(struct addrinfo *__ai);
int getnameinfo(const struct sockaddr *sa, socklen_t salen, char *host, socklen_t hostlen, char *serv, socklen_t servlen, int flags);


#ifdef __cplusplus
}
#endif

#endif /* _NETDB_H */