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- #include <proto/socket.h>
- #include <sys/types.h>
- #include <sys/socket.h>
- #include <netinet/in.h>
- #include <netdb.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <unistd.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
- */
-
- int
- main(int argc, char **argv)
- {
- int sock;
- struct sockaddr_in server;
- struct hostent *hp;
-
- if (argc < 3) {
- fprintf(stderr, "Usage: %s <host> <port>\n", argv[0]);
- exit(10);
- }
- /* Create socket */
- sock = socket(AF_INET, SOCK_STREAM, 0);
- if (sock < 0) {
- perror("opening stream socket");
- exit(10);
- }
- /* 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\n", argv[1]);
- exit(20);
- }
- bcopy(hp->h_addr, &server.sin_addr, hp->h_length);
- server.sin_port = htons(atoi(argv[2]));
-
- if (connect(sock, (struct sockaddr *)&server, sizeof(server)) < 0) {
- perror("connecting stream socket");
- exit(10);
- }
- if (write(sock, DATA, sizeof(DATA)) < 0)
- perror("writing on stream socket");
- close(sock);
- return 0;
- }
-