// Copyright (c) 1986, 1993
//      The Regents of the University of California.  All rights reserved.
//
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// modification, are permitted provided that the following conditions
// are met:
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//    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.
//
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//
//      @(#)streamwrite.c       8.1 (Berkeley) 6/8/93
//
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <stdio.h>

#define DATA "Half a league, half a league . . ."

/*
* This program creates a socket and initiates a connection with the socket
* given in the command line.  One message is sent over the connection and
* then the socket is closed, ending the connection. The form of the command
* line is streamwrite hostname portnumber
*/

main(argc, argv)
       int argc;
       char *argv[];
{
       int sock;
       struct sockaddr_in server;
       struct hostent *hp, *gethostbyname();
       char buf[1024];

       /* Create socket */
       sock = socket(AF_INET, SOCK_STREAM, 0);
       if (sock < 0) {
               perror("opening stream socket");
               exit(1);
       }
       /* Connect socket using name specified by command line. */
       server.sin_family = AF_INET;
       hp = gethostbyname(argv[1]);
       if (hp == 0) {
               fprintf(stderr, "%s: unknown host\en", argv[1]);
               exit(2);
       }
       bcopy(hp->h_addr, &server.sin_addr, hp->h_length);
       server.sin_port = htons(atoi(argv[2]));

       if (connect(sock, &server, sizeof(server)) < 0) {
               perror("connecting stream socket");
               exit(1);
       }
       if (write(sock, DATA, sizeof(DATA)) < 0)
               perror("writing on stream socket");
       close(sock);
}