Porti Scanner ne C++

Kodi:
#include
#include
#include
#include
#include

int main(int argc,char *argv[])
{
int sock, port;
struct sockaddr_in host;
struct hostent *server;
if(argc != 2){
printf("Keni 0c\''s port scanner\\nUsage: %s [host address]\\n",argv[0]);
return 1;
}
if((sock = socket(AF_INET,SOCK_STREAM,0)) == -1){
perror("Gabim ne krijimin e socket-it");
return 1;
}
if((server=gethostbyname(argv[1])) == NULL){
perror("Gabin ne host");
return 1;
}
for(port = 0; port <= 65535; port++){
host.sin_family = AF_INET;
host.sin_port = htons(port);
host.sin_addr = *((struct in_addr *)server->h_addr);
if(connect(sock,(struct sockaddr *)&host,sizeof(host)) != -1){
printf("Porti %d eshte i hapur ",port);
continue;
}
}
return 0;
}