#include "unp.h"

int
main(int argc, char **argv)
{
 int     listenfd, connfd;
 pid_t    childpid;
 socklen_t   clilen;
 struct sockaddr_in cliaddr, servaddr;

 listenfd = Socket(AF_INET, SOCK_STREAM, 0);

 bzero(&servaddr, sizeof(servaddr));
 servaddr.sin_family      = AF_INET;
 servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
 servaddr.sin_port        = htons(SERV_PORT);

 Bind(listenfd, (SA *) &servaddr, sizeof(servaddr));

 Listen(listenfd, LISTENQ);

 for ( ; ; ) {
  clilen = sizeof(cliaddr);
  connfd = Accept(listenfd, (SA *) &cliaddr, &clilen);

  if ( (childpid = Fork()) == 0) { /* child process */
   Close(listenfd); /* close listening socket */
   str_echo(connfd); /* process the request */
   exit(0);
  }
  Close(connfd);   /* parent closes connected socket */
 }
}
 
 

/
/**** REF: STEVENS UX NETWORK PROGRAMMING, SECTION 8.13/ PAFE 229*********/