Our Daemonize() Function

static void 
daemonize()
{
     int i;
     pid_t pid;

     /* fork for the first time. */ 
     if ((pid = fork()) != 0){
          if (pid == -1){
               warn("failed to fork into background! error '%s'", strerror(errno));
               warn("reamining in foreground");
               return;
          }
          /* parent, exit */
          exit(0);
     }

     setsid();
     /* ignore SIGHUP signals */
     signal(SIGHUP, SIG_IGN);
     /* fork again */
     if ((pid = fork()) != 0){
          if (pid == -1){
               warn("failed to fork into background! error '%s'", strerror(errno));
               warn("remaining in foreground");
               return;
          }
          /* parent, exit */
          exit(0);
     }