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				/* $OpenBSD: bell.c,v 1.6 2021/05/06 12:44:21 lum Exp $ */

				/*
				* This file is in the public domain.
				*
				* Author: Mark Lumsden <mark@showcomplex.com>
				*
				*/

				/*
				* Control how mg communicates with the user.
				*/

				#include <sys/queue.h>
				#include <signal.h>
				#include <stdio.h>
				#include <unistd.h>

				#include "def.h"
				#include "macro.h"

				void
				bellinit(void)
				{
				doaudiblebell = 1;
				dovisiblebell = 0;
				}

				int
				dobeep_num(const char *msg, int n)
				{
				ewprintf("%s %d", msg, n);
				dobeep();
				return (FALSE);
				}

				int
				dobeep_msgs(const char msg, const char s)
				{
				ewprintf("%s %s", msg, s);
				dobeep();
				return (FALSE);
				}

				int
				dobeep_msg(const char *msg)
				{
				ewprintf("%s", msg);
				dobeep();
				return (FALSE);
				}

				void
				dobeep(void)
				{
				if (doaudiblebell) {
				ttbeep();
				}
				if (dovisiblebell) {
				sgarbf = TRUE;
				update(CNONE);
				if (inmacro) /* avoid delaying macro execution. */
				return;
				usleep(50000);
				}
				}

				/* ARGSUSED */
				int
				toggleaudiblebell(int f, int n)
				{
				if (f & FFARG)
				doaudiblebell = n > 0;
				else
				doaudiblebell = !doaudiblebell;

				return (TRUE);
				}

				/* ARGSUSED */
				int
				togglevisiblebell(int f, int n)
				{
				if (f & FFARG)
				dovisiblebell = n > 0;
				else
				dovisiblebell = !dovisiblebell;

				return (TRUE);
				}