* Copyright (c) 1980, 1983, 1988 Regents of the University of California.
* %sccs.include.redist.c%
* @(#)netdb.h 5.16 (Berkeley) %G%
#define _PATH_HEQUIV "/etc/hosts.equiv"
#define _PATH_HOSTS "/etc/hosts"
#define _PATH_NETWORKS "/etc/networks"
#define _PATH_PROTOCOLS "/etc/protocols"
#define _PATH_SERVICES "/etc/services"
* Structures returned by network data base library. All addresses are
* supplied in host order, and returned in network order (suitable for
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
; /* address */
* Assumption here is that a network number
* fits in 32 bits -- probably a poor one.
char *n_name
; /* official name of net */
char **n_aliases
; /* alias list */
int n_addrtype
; /* net address type */
unsigned long n_net
; /* network # */
char *s_name
; /* official service name */
char **s_aliases
; /* alias list */
char *s_proto
; /* protocol to use */
char *p_name
; /* official protocol name */
char **p_aliases
; /* alias list */
int p_proto
; /* protocol # */
* Error return codes from gethostbyname() and gethostbyaddr()
* (left in extern int h_errno).
#define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found */
#define TRY_AGAIN 2 /* Non-Authoritive Host not found, or SERVERFAIL */
#define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
#define NO_DATA 4 /* Valid name, no data record of requested type */
#define NO_ADDRESS NO_DATA /* no address, look for MX record */
void endhostent
__P((void));
void endnetent
__P((void));
void endprotoent
__P((void));
void endservent
__P((void));
struct hostent
*gethostbyaddr
__P((const char *, int, int));
struct hostent
*gethostbyname
__P((const char *));
struct hostent
*gethostent
__P((void));
struct netent
*getnetbyaddr
__P((long, int)); /* u_long? */
struct netent
*getnetbyname
__P((const char *));
struct netent
*getnetent
__P((void));
struct protoent
*getprotobyname
__P((const char *));
struct protoent
*getprotobynumber
__P((int));
struct protoent
*getprotoent
__P((void));
struct servent
*getservbyname
__P((const char *, const char *));
struct servent
*getservbyport
__P((int, const char *));
struct servent
*getservent
__P((void));
void herror
__P((const char *));
void sethostent
__P((int));
/* void sethostfile __P((const char *)); */
void setnetent
__P((int));
void setprotoent
__P((int));
void setservent
__P((int));