rem: debug_dv("_____ RECEIVED SIGUSR1 _____ [signal_handler=%s]", BOOL_TO_STR(signal_handler));
add: debug_dv(("_____ RECEIVED SIGUSR1 _____ [signal_handler=%s]", BOOL_TO_STR(signal_handler)));
context: static void got_usr1(int z){  debug_dv("_____ RECEIVED SIGUSR1 _____ [signal_handler=%s]",	   BOOL_TO_STR(signal_handler));  if (signal_handler)			/* default action */    netcat_printstats(TRUE);  else    got_sigusr1 = TRUE;}