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

#define PORT_NUMBER 5500

extern  errno;

int main( argc, argv )
int argc; char **argv;
{ 
  int    i, sd, InitClient( );
  char   String[128];

  if( argc != 2 ){
    printf("Uporaba: %s ImePostaje\n", argv[0]);
    exit( 1 );
  }
  if( (sd = InitClient( argv[1] )) < 0 ){
    perror("Napaka: ");  exit( 1 );
  }
  else{
    write(sd, "String", strlen( "String" ) );
    close( sd );
  }
  exit( 0 );
}
  

int InitClient( host )
char *host;
{
  struct sockaddr_in sin_x;
  struct hostent     *hp_x;
  unsigned char      *Addr;
  int    sd;
  
  if( (hp_x=gethostbyname(host)) == NULL) return( -1 );

  printf("Name   = %s, ", hp_x -> h_name);
  Addr = (unsigned char *) hp_x -> h_addr;
  printf("Address= %u.%u.%u.%u\n", *Addr, *(Addr+1), *(Addr+2), *(Addr+3));
  bzero((char *)&sin_x,sizeof(sin_x));
  bcopy(hp_x->h_addr,(char *)&sin_x.sin_addr,hp_x->h_length);
  sin_x.sin_family=hp_x->h_addrtype;
  sin_x.sin_port= PORT_NUMBER;
  if( (sd = socket(AF_INET,SOCK_STREAM,0)) < 0 ) return( -2 );
  if (connect(sd, (char *)&sin_x,sizeof(sin_x)) < 0) return( -3 );
  return( sd );
}