netdb.h

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/*
** netdb.h for  in /home/anoman/work/lse/lseos/lseos-net/ping
** 
** Copyright (c)2004 Arthur Kopatsy
** Login   <kopats_a@epita.fr>
** 
** Started on  Wed Oct 20 15:38:03 2004 Arthur Kopatsy
** Last update Wed Nov  3 16:32:59 2004 Arthur Kopatsy
*/

#ifndef NETDB_H_
#define NETDB_H_


#define        MAXHOSTNAMELEN  256

/*
 * Structures returned by network data base library.  All addresses are
 * supplied in host order, and returned in network order (suitable for
 * use in system calls).
 */
struct  hostent {
  char    *h_name;        /* official name of host */
  char    **h_aliases;    /* alias list */
  int     h_addrtype;     /* host address type */
  int     h_length;       /* length of address */
  char    **h_addr_list;  /* list of addresses from name server */
#define h_addr  h_addr_list[0]  /* address, for backward compatiblity */
};

struct hostent          *gethostbyname(const char *name);

struct hostent          *gethostbyaddr(const char       *addr,
                                       socklen_t        len,
                                       int              type);

struct protoent {
  char    *p_name;        /* official protocol name */
  char    **p_aliases;    /* alias list */
  int     p_proto;        /* protocol number */
};

struct protoent         *getprotoent(void);

struct protoent *getprotobyname(const char *name);

struct protoent *getprotobynumber(int proto);


#endif

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