/* The port number is passed as an argument */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>

void error(const char *msg)
{
    perror(msg);
    exit(1);
}

int main(int argc, char *argv[])
{
     int sockfd, newsockfd, portno;
     socklen_t clilen;
     char buffer[256];
     struct sockaddr_in serv_addr, cli_addr;
     int n;
     if (argc < 2) {
         fprintf(stderr,"ERROR, no port provided\n");
         exit(1);
     }

     sockfd =  socket(AF_INET, SOCK_STREAM, 0);
     if (sockfd < 0)
        error("ERROR opening socket");

     bzero((char *) &serv;_addr, sizeof(serv_addr));

     portno = atoi(argv[1]);

     serv_addr.sin_family = AF_INET;

     serv_addr.sin_addr.s_addr = INADDR_ANY;

     serv_addr.sin_port = htons(portno);

     if (bind(sockfd, (struct sockaddr *) &serv;_addr,
              sizeof(serv_addr)) < 0)
              error("ERROR on binding");

     if (listen(sockfd,5) < 0)
		error(“ERROR on listening”);

	while(1) {
     // The accept() call actually accepts an incoming connection
     clilen = sizeof(cli_addr);


     if ((newsockfd = accept(sockfd,(struct sockaddr *) &cli_addr, &clilen)) < 0)
          error("ERROR on accept");
		HandleTCPClient(newsockfd);


	}

	}
     return 0;
}