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

char *show_address(struct in_addr *myaddr)
{
    if (myaddr) {
        static char buf[256];
        long host;

        host = ntohl(myaddr->s_addr);
        sprintf(buf,"%d.%d.%d.%d",
                (int)(0xff & (host >> 24)),
                (int)(0xff & (host >> 16)),
                (int)(0xff & (host >> 8)),
                (int)(0xff & (host));
        return buf;
    }
    return 0;
}
typedef struct _CONNECTION
{
    int                connected;
    int                theSocket;
    char               service[256];
    char               my_inet_addr[256];
    short              thePort;
    struct hostent     *he;
    struct sockaddr_in serv_addr;
} CONNECTION, *PCONNECTION;

struct servent se;

int main(int argc, char **argv)
{
    PCONNECTION session;

    char   thehost[256];
    strcpy(thehost, argv[1]);

    session = calloc(sizeof(CONNECTION), 1);

    strcpy(session->service, "8888");
    session->he = gethostbyname(thehost);
    strcpy(session->my_inet_addr,
           show_address((struct in_addr *)session->he->h_addr));

    se = getservbyname(session->service, "TCP");
    if(se) {
        session->thePort = htons(se->s_port);
    }
    else
    if ((session->thePort = atoi(session->service)) == 0) {
        fprintf(stderr, "TCP ERROR : Cannot find service\n");
        return -1;
    }

    if (session->thePort == 0) {
        fprintf(stderr, "TCP ERROR : No [service] given\n");
        return -1;
    }

    memset (session->serv_addr, 0, sizeof(session->serv_addr));
    session->serv_addr.sin_family = AF_INET;
    session->serv_addr.sin_addr.s_addr =
             inet_addr(session->my_inet_addr);
    session->serv_addr.sin_port   = htons(session->thePort);

    if ((session->theSocket = socket(AF_INET,
                              SOCK_STREAM, 0)) < 0) {
        fprintf(stderr, "TCP ERROR : Could not open socket\n");
        return -1;
    }

    if (connect(session->theSocket,
          (struct sockaddr *) csession->serv_addr,
                        sizeof(session->serv_addr)) < 0) {
        fprintf(stderr, "TCP ERROR : Could not connect\n");
        close(session->theSocket);
        return -1;
    }

    session->connected++;
    write(session->theSocket, (void *) '1', 1);

    close(session->theSocket);
    free(session);
    return 0;
}