#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <string.h>
#include <netdb.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

int main(int argc, char * argv[])  {
    int n, s, len;
    char buf[256];
    struct hostent *hp;
    struct sockaddr_in name;

    hp = gethostbyname(argv[2]);

    s = socket(AF_INET, SOCK_STREAM, 0);

    name.sin_family = AF_INET;
    name.sin_port = htons(atoi(argv[1]));
    memcpy(&name.sin_addr, hp->h_addr_list[0], hp->h_length);
    len = sizeof(struct sockaddr_in);

    connect(s, (struct sockaddr *) &name, len);

    while ((n = read(0, buf, sizeof(buf))) > 0) {
        if (send(s, buf, n, 0) < 0) {
            perror("send");
            exit(1);
        }
    }

    close(s);
    exit(0);
}