69 lines
2.6 KiB
C
69 lines
2.6 KiB
C
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.\" Copyright (c) 1986 The Regents of the University of California.
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)udgramsend.c 6.4 (Berkeley) 4/17/91
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.\"
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <stdio.h>
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#define DATA "The sea is calm tonight, the tide is full . . ."
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/*
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* Here I send a datagram to a receiver whose name I get from the command
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* line arguments. The form of the command line is udgramsend pathname
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*/
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main(argc, argv)
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int argc;
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char *argv[];
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{
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int sock;
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struct sockaddr_un name;
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/* Create socket on which to send. */
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sock = socket(AF_UNIX, SOCK_DGRAM, 0);
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if (sock < 0) {
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perror("opening datagram socket");
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exit(1);
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}
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/* Construct name of socket to send to. */
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name.sun_family = AF_UNIX;
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strcpy(name.sun_path, argv[1]);
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/* Send message. */
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if (sendto(sock, DATA, sizeof(DATA), 0,
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&name, sizeof(struct sockaddr_un)) < 0) {
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perror("sending datagram message");
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}
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close(sock);
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}
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