1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* University Copyright- Copyright (c) 1982, 1986, 1988
* The Regents of the University of California
* All Rights Reserved
*
* University Acknowledgment- Portions of this document are derived from
* software developed by the University of California, Berkeley, and its
* contributors.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* mailx -- a modified version of a University of California at Berkeley
* mail program
*
* This file contains the definitions of data structures used in
* configuring the network behavior of Mail when replying.
*/
/*
* The following constants are used when you are running 4.1a bsd or
* later on a local network. The name thus found is inserted
* into the host table slot whose name was originally EMPTY.
*/
#define EMPTY "** empty **"
#define EMPTYID 'E'
/*
* The following data structure is the host table. You must have
* an entry here for your own machine, plus any special stuff you
* expect the mailer to know about. Not all hosts need be here, however:
* mailx can dope out stuff about hosts on the fly by looking
* at addresses. The machines needed here are:
* 1) The local machine
* 2) Any machines on the path to a network gateway
* 3) Any machines with nicknames that you want to have considered
* the same.
* The machine id letters can be anything you like and are not seen
* externally. Be sure not to use characters with the 0200 bit set --
* these have special meanings.
*/
struct netmach {
char *nt_machine;
char nt_mid;
short nt_type;
};
/*
* Network type codes. Basically, there is one for each different
* network, if the network can be discerned by the separator character,
* such as @ for the arpa net. The purpose of these codes is to
* coalesce cases where more than one character means the same thing,
* such as % and @ for the arpanet. Also, the host table uses a
* bit map of these codes to show what it is connected to.
* BN -- connected to Bell Net.
* AN -- connected to ARPA net, SN -- connected to Schmidt net.
*/
#define AN 1 /* Connected to ARPA net */
#define BN 2 /* Connected to BTL net */
#define SN 4 /* Connected to Schmidt net */
/*
* Data structure for table mapping network characters to network types.
*/
struct ntypetab {
char nt_char; /* Actual character separator */
int nt_bcode; /* Type bit code */
};
/*
* Codes for the "kind" of a network. IMPLICIT means that if there are
* physically several machines on the path, one does not list them in the
* address. The arpa net is like this. EXPLICIT means you list them,
* as in UUCP.
* By the way, this distinction means we lose if anyone actually uses the
* arpa net subhost convention: name@subhost@arpahost
*/
#define IMPLICIT 1
#define EXPLICIT 2
/*
* Table for mapping a network code to its type -- IMPLICIT routing or
* IMPLICIT routing.
*/
struct nkindtab {
int nk_type; /* Its bit code */
int nk_kind; /* Whether explicit or implicit */
};
/*
* The following table gives the order of preference of the various
* networks. Thus, if we have a choice of how to get somewhere, we
* take the preferred route.
*/
struct netorder {
short no_stat;
char no_char;
};
/*
* External declarations for above defined tables.
*/
extern struct netmach netmach[];
extern struct ntypetab ntypetab[];
extern struct nkindtab nkindtab[];
extern struct netorder netorder[];
extern char *metanet;
|
