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      1 /*	$NetBSD: pfilter.c,v 1.4 2020/07/04 05:18:37 lukem Exp $	*/
      2 
      3 #include <stdio.h>
      4 #include <unistd.h>
      5 #include <blocklist.h>
      6 
      7 #include "pfilter.h"
      8 
      9 static struct blocklist *blstate;
     10 
     11 void
     12 pfilter_open(void)
     13 {
     14 	if (blstate == NULL)
     15 		blstate = blocklist_open();
     16 }
     17 
     18 void
     19 pfilter_notify(int what, const char *msg)
     20 {
     21 	pfilter_open();
     22 
     23 	if (blstate == NULL)
     24 		return;
     25 
     26 	blocklist_r(blstate, what, STDIN_FILENO, msg);
     27 }
     28