1 .\" Copyright (c) 1986 Regents of the University of California. 2 .\" All rights reserved. The Berkeley software License Agreement 3 .\" specifies the terms and conditions for redistribution. 4 .\" 5 .\" @(#)ustreamwrite.c 6.3 (Berkeley) 05/08/86 6 .\" 7 #include <sys/types.h> 8 #include <sys/socket.h> 9 #include <sys/un.h> 10 #include <stdio.h> 11 12 #define DATA "Half a league, half a league . . ." 13 14 /* 15 * This program connects to the socket named in the command line and sends a 16 * one line message to that socket. The form of the command line is 17 * ustreamwrite pathname 18 */ 19 main(argc, argv) 20 int argc; 21 char *argv[]; 22 { 23 int sock; 24 struct sockaddr_un server; 25 char buf[1024]; 26 27 /* Create socket */ 28 sock = socket(AF_UNIX, SOCK_STREAM, 0); 29 if (sock < 0) { 30 perror("opening stream socket"); 31 exit(1); 32 } 33 /* Connect socket using name specified by command line. */ 34 server.sun_family = AF_UNIX; 35 strcpy(server.sun_path, argv[1]); 36 37 if (connect(sock, &server, sizeof(struct sockaddr_un)) < 0) { 38 close(sock); 39 perror("connecting stream socket"); 40 exit(1); 41 } 42 if (write(sock, DATA, sizeof(DATA)) < 0) 43 perror("writing on stream socket"); 44 } 45