#include<sys/types.h> /* predefined types */
#include<unistd.h> /* include unix standard library */
#include<arpa/inet.h> /* IP addresses conversion utililites */
#include<sys/socket.h> /* socket library */
#include<stdio.h> /* include standard I/O library */
#include <stdlib.h>
#include <string.h>
#include<time.h>

int main (int argc , char *argv[])
{
 int list_fd,conn_fd;
 int i;
 struct sockaddr_in serv_add,client;
 char buffer [1024];
 socklen_t len;
 time_t timeval;
 pid_t pid;
 int logging =1;
 ... /*COMPLETE HERE*/
 /* write daytime to client */
 while(1)
	{
	 len = sizeof ( client );
	 /*accept*/
	 ... /*COMPLETE HERE*/
	 /* fork to handle connection */
	 if((pid= fork())<0)
		{
		 perror (" fork error ");
		 exit ( -1);
		}
	 if(pid==0)
		{ /* child */
		 close ( list_fd );
		 timeval = time ( NULL );
		 snprintf(buffer,sizeof(buffer)," %.24s\r\n",ctime(& timeval));
		 /*write*/
		 ... /*COMPLETE HERE*/
 		 if(logging)
			{
			 inet_ntop(AF_INET,&client.sin_addr,buffer,sizeof(buffer));
			 printf("Request from host %s, port %d\n",buffer,ntohs(client.sin_port));
			}
 		 /*close*/
		 ... /*COMPLETE HERE*/
 		 exit (0);
		}
	 else 
		{ /* parent */
		 close ( conn_fd );
		}
	}
 /* normal exit , never reached */
 exit (0);
}