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