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15637ed4 RG |
1 | .\" Copyright (c) 1986 The Regents of the University of California. |
2 | .\" All rights reserved. | |
3 | .\" | |
4 | .\" Redistribution and use in source and binary forms, with or without | |
5 | .\" modification, are permitted provided that the following conditions | |
6 | .\" are met: | |
7 | .\" 1. Redistributions of source code must retain the above copyright | |
8 | .\" notice, this list of conditions and the following disclaimer. | |
9 | .\" 2. Redistributions in binary form must reproduce the above copyright | |
10 | .\" notice, this list of conditions and the following disclaimer in the | |
11 | .\" documentation and/or other materials provided with the distribution. | |
12 | .\" 3. All advertising materials mentioning features or use of this software | |
13 | .\" must display the following acknowledgement: | |
14 | .\" This product includes software developed by the University of | |
15 | .\" California, Berkeley and its contributors. | |
16 | .\" 4. Neither the name of the University nor the names of its contributors | |
17 | .\" may be used to endorse or promote products derived from this software | |
18 | .\" without specific prior written permission. | |
19 | .\" | |
20 | .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
21 | .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
22 | .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
23 | .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
24 | .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
25 | .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
26 | .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
27 | .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
28 | .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
29 | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
30 | .\" SUCH DAMAGE. | |
31 | .\" | |
78ed81a3 | 32 | .\" from: @(#)udgramread.c 6.5 (Berkeley) 4/17/91 |
33 | .\" udgramread.c,v 1.2 1993/08/01 18:23:26 mycroft Exp | |
15637ed4 RG |
34 | .\" |
35 | #include <sys/types.h> | |
36 | #include <sys/socket.h> | |
37 | #include <sys/un.h> | |
38 | ||
39 | /* | |
40 | * In the included file <sys/un.h> a sockaddr_un is defined as follows | |
41 | * struct sockaddr_un { | |
42 | * short sun_family; | |
43 | * char sun_path[108]; | |
44 | * }; | |
45 | */ | |
46 | ||
47 | #include <stdio.h> | |
48 | ||
49 | #define NAME "socket" | |
50 | ||
51 | /* | |
52 | * This program creates a UNIX domain datagram socket, binds a name to it, | |
53 | * then reads from the socket. | |
54 | */ | |
55 | main() | |
56 | { | |
57 | int sock, length; | |
58 | struct sockaddr_un name; | |
59 | char buf[1024]; | |
60 | ||
61 | /* Create socket from which to read. */ | |
62 | sock = socket(AF_UNIX, SOCK_DGRAM, 0); | |
63 | if (sock < 0) { | |
64 | perror("opening datagram socket"); | |
65 | exit(1); | |
66 | } | |
67 | /* Create name. */ | |
68 | name.sun_family = AF_UNIX; | |
69 | strcpy(name.sun_path, NAME); | |
70 | if (bind(sock, &name, sizeof(struct sockaddr_un))) { | |
71 | perror("binding name to datagram socket"); | |
72 | exit(1); | |
73 | } | |
74 | printf("socket -->%s\en", NAME); | |
75 | /* Read from the socket */ | |
76 | if (read(sock, buf, 1024) < 0) | |
77 | perror("receiving datagram packet"); | |
78 | printf("-->%s\en", buf); | |
79 | close(sock); | |
80 | unlink(NAME); | |
81 | } |