sigemptyset(&timer_set); sigaddset(&timer_set, SIGALRM);
void _PR_InitNet(void){#if defined(XP_UNIX)#ifdef HAVE_NETCONFIG	/*	 * This one-liner prevents the endless re-open's and re-read's of	 * /etc/netconfig on EACH and EVERY call to accept(), connect(), etc.	 */	 (void)setnetconfig();#endif	sigemptyset(&timer_set);	sigaddset(&timer_set, SIGALRM);#endif#if !defined(_PR_NO_PREEMPT)	_pr_dnsLock = PR_NewLock();#endif#if !defined(_PR_HAVE_GETPROTO_R)	_getproto_lock = PR_NewLock();#endif}