#include<sys/socket.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <stdio.h>
#define SERV_PORT 4500
int main(int argc, char** argv) {
 int socketfd;
 int connfd;
 struct sockaddr_in	serwer_addres;

   socketfd=socket(AF_INET, SOCK_STREAM, 0);
   bzero( &serwer_addres, sizeof(serwer_addres));
   serwer_addres.sin_family=AF_INET;
   serwer_addres.sin_port=htons( SERV_PORT);
   inet_pton(AF_INET, argv[1], &serwer_addres.sin_addr);
   if (connect (socketfd, &serwer_addres, sizeof( serwer_addres))< 0) {
        fprintf(stderr, "\n Polanczenie z serwerem nie zostalo zeraliowane");
        exit(1);
   }
   StrKli( socketfd );
   printf("\nKLIENT: Program zostal zakonczony");
   printf("\n");
   exit(0);
}//main

void StrKli(int socketfd ) {
   int n;
   char linia[100];
   char liniarcv[100];
   while( fgets(linia, 100, stdin) != NULL) {
      n=strlen(linia);
      if( n <= 1 ) return;
      printf("\nKLIENT: WYSLANO (%d)%s",n, linia);
      write( socketfd, linia, n);
      n=read( socketfd, liniarcv, 100);
      liniarcv[n]='\0';
      printf("\nKLIENT: ECHO %s", liniarcv);
   } // while
} // Echo