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

void main(int argc, char **argv)
{
struct sockaddr_in target;
int sock, adl=sizeof(target);
char dataSize, linha[81];
struct hostent *server;

if(argc!=2) {puts("Target host missing from command line");exit(1);}
sock=socket(AF_INET,SOCK_STREAM,0);
bzero((char *)&target,adl);
target.sin_family=AF_INET;
/* endereco IP de destino */
server=gethostbyname(argv[1]);
if(!server) {printf("Unknown Host: %s\n",argv[1]);close(sock);exit(1);}
target.sin_addr=*(struct in_addr *) *server->h_addr_list;
target.sin_port=htons(8450); /* porta de destino */
if(-1==connect(sock,(struct sockaddr *)&target,adl)) puts("Connect Failed");
else 
    for(;;)
	{
	printf("\n\nFileName:");
	gets(linha);
	if(!strcmp(linha,"sair")) 
		{
		dataSize=0;write(sock,&dataSize,1);
		close(sock);exit(0);
		}
	else
		{
		dataSize=strlen(linha)+1;
		write(sock,&dataSize,1);
		write(sock,linha,dataSize);
		read(sock,&dataSize,1);
		while(dataSize)
			{
			read(sock,linha,dataSize);
			puts(linha);
			read(sock,&dataSize,1);	
			}
		}
	}
}