Annotation of src/include/netdb.h, Revision 1.1
1.1 ! deraadt 1: /* $NetBSD: netdb.h,v 1.5 1995/07/03 22:59:12 jtc Exp $ */
! 2:
! 3: /*-
! 4: * Copyright (c) 1980, 1983, 1988 Regents of the University of California.
! 5: * All rights reserved.
! 6: *
! 7: * Redistribution and use in source and binary forms, with or without
! 8: * modification, are permitted provided that the following conditions
! 9: * are met:
! 10: * 1. Redistributions of source code must retain the above copyright
! 11: * notice, this list of conditions and the following disclaimer.
! 12: * 2. Redistributions in binary form must reproduce the above copyright
! 13: * notice, this list of conditions and the following disclaimer in the
! 14: * documentation and/or other materials provided with the distribution.
! 15: * 3. All advertising materials mentioning features or use of this software
! 16: * must display the following acknowledgement:
! 17: * This product includes software developed by the University of
! 18: * California, Berkeley and its contributors.
! 19: * 4. Neither the name of the University nor the names of its contributors
! 20: * may be used to endorse or promote products derived from this software
! 21: * without specific prior written permission.
! 22: *
! 23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 33: * SUCH DAMAGE.
! 34: *
! 35: * @(#)netdb.h 5.15 (Berkeley) 4/3/91
! 36: */
! 37:
! 38: #ifndef _NETDB_H_
! 39: #define _NETDB_H_
! 40:
! 41: #define _PATH_HEQUIV "/etc/hosts.equiv"
! 42: #define _PATH_HOSTS "/etc/hosts"
! 43: #define _PATH_NETWORKS "/etc/networks"
! 44: #define _PATH_PROTOCOLS "/etc/protocols"
! 45: #define _PATH_SERVICES "/etc/services"
! 46:
! 47: /*
! 48: * Structures returned by network data base library. All addresses are
! 49: * supplied in host order, and returned in network order (suitable for
! 50: * use in system calls).
! 51: */
! 52: struct hostent {
! 53: char *h_name; /* official name of host */
! 54: char **h_aliases; /* alias list */
! 55: int h_addrtype; /* host address type */
! 56: int h_length; /* length of address */
! 57: char **h_addr_list; /* list of addresses from name server */
! 58: #define h_addr h_addr_list[0] /* address, for backward compatiblity */
! 59: };
! 60:
! 61: /*
! 62: * Assumption here is that a network number
! 63: * fits in 32 bits -- probably a poor one.
! 64: */
! 65: struct netent {
! 66: char *n_name; /* official name of net */
! 67: char **n_aliases; /* alias list */
! 68: int n_addrtype; /* net address type */
! 69: unsigned long n_net; /* network # */
! 70: };
! 71:
! 72: struct servent {
! 73: char *s_name; /* official service name */
! 74: char **s_aliases; /* alias list */
! 75: int s_port; /* port # */
! 76: char *s_proto; /* protocol to use */
! 77: };
! 78:
! 79: struct protoent {
! 80: char *p_name; /* official protocol name */
! 81: char **p_aliases; /* alias list */
! 82: int p_proto; /* protocol # */
! 83: };
! 84:
! 85: /*
! 86: * Error return codes from gethostbyname() and gethostbyaddr()
! 87: * (left in extern int h_errno).
! 88: */
! 89:
! 90: extern int h_errno;
! 91:
! 92: #define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found */
! 93: #define TRY_AGAIN 2 /* Non-Authoritive Host not found, or SERVERFAIL */
! 94: #define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
! 95: #define NO_DATA 4 /* Valid name, no data record of requested type */
! 96: #define NO_ADDRESS NO_DATA /* no address, look for MX record */
! 97:
! 98: #include <sys/cdefs.h>
! 99:
! 100: __BEGIN_DECLS
! 101: void endhostent __P((void));
! 102: void endnetent __P((void));
! 103: void endprotoent __P((void));
! 104: void endservent __P((void));
! 105: struct hostent *gethostbyaddr __P((const char *, int, int));
! 106: struct hostent *gethostbyname __P((const char *));
! 107: struct hostent *gethostent __P((void));
! 108: struct netent *getnetbyaddr __P((long, int)); /* u_long? */
! 109: struct netent *getnetbyname __P((const char *));
! 110: struct netent *getnetent __P((void));
! 111: struct protoent *getprotobyname __P((const char *));
! 112: struct protoent *getprotobynumber __P((int));
! 113: struct protoent *getprotoent __P((void));
! 114: struct servent *getservbyname __P((const char *, const char *));
! 115: struct servent *getservbyport __P((int, const char *));
! 116: struct servent *getservent __P((void));
! 117: void herror __P((const char *));
! 118: char *hstrerror __P((int));
! 119: void sethostent __P((int));
! 120: /* void sethostfile __P((const char *)); */
! 121: void setnetent __P((int));
! 122: void setprotoent __P((int));
! 123: void setservent __P((int));
! 124: __END_DECLS
! 125:
! 126: #endif /* !_NETDB_H_ */
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