--declaration--
void daemon_init(const char *, int);

--function calling--
daemon_init(argv[0], 0); 

--function code--
void daemon_init(const char *pname, int facility)
{
  pid_t pid;
   
     /* Fork off to background. */
       if ((pid = fork()) != 0) {
           exit(1);
     }
	      
     /* Catch HUP */
  setsid();
    signal(SIGHUP, SIG_IGN);
	     
       /* Fork to disassociate terminal. */
         if ((pid = fork()) != 0) {
	     exit(1);
       }