1 .\" Copyright (c) 1986 The Regents of the University of California. 2 .\" All rights reserved. 3 .\" 4 .\" %sccs.include.redist.roff% 5 .\" 6 .\" @(#)ustreamwrite.c 6.5 (Berkeley) 04/17/91 7 .\" 8 #include <sys/types.h> 9 #include <sys/socket.h> 10 #include <sys/un.h> 11 #include <stdio.h> 12 13 #define DATA "Half a league, half a league . . ." 14 15 /* 16 * This program connects to the socket named in the command line and sends a 17 * one line message to that socket. The form of the command line is 18 * ustreamwrite pathname 19 */ 20 main(argc, argv) 21 int argc; 22 char *argv[]; 23 { 24 int sock; 25 struct sockaddr_un server; 26 char buf[1024]; 27 28 /* Create socket */ 29 sock = socket(AF_UNIX, SOCK_STREAM, 0); 30 if (sock < 0) { 31 perror("opening stream socket"); 32 exit(1); 33 } 34 /* Connect socket using name specified by command line. */ 35 server.sun_family = AF_UNIX; 36 strcpy(server.sun_path, argv[1]); 37 38 if (connect(sock, &server, sizeof(struct sockaddr_un)) < 0) { 39 close(sock); 40 perror("connecting stream socket"); 41 exit(1); 42 } 43 if (write(sock, DATA, sizeof(DATA)) < 0) 44 perror("writing on stream socket"); 45 } 46