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From: plocher@twobits.Eng.Sun.COM (John Plocher)
Newsgroups: comp.unix.sysv286,comp.unix.sysv386
Subject: Speed up your Microport 2.4/286 or 3.0/386 keyboard
Summary: Source
Keywords: typomatic ioctl for kd driver
Message-ID: <6677@exodus.Eng.Sun.COM>
Date: 26 Jan 91 22:03:25 GMT
Sender: news@exodus.Eng.Sun.COM
Followup-To: comp.unix.sysv286
Lines: 54

/*
** I found this little gem while cleaning out some old disk space
**
** It is known to work on Microport's SysV 3.0 (and 3.0e) versions
** of V/386 and on the 2.4 version of V/AT for the 286.
**
** It is a simple demo of the typomatic ioctl for the console driver.
**
** It sets the repeat speed/threshold for the keyboard
**
**
**	This code is released completely into the public domain
**
**	John Plocher,  January, 1991
*/

#include <sys/kd_info.h>

#define SNL(s)	s,strlen( s )

void usage();

main( argc, argv )
int argc;
char *argv[];
{

	int rate, result;

	if ( argc != 2 ) {
		usage( argv[0] );
		exit( 1 );
	}
	rate = *argv[1] - '0';
	if ( rate < 0 || 9 < rate ) {
		usage( argv[0] );
		exit( 1 );
	}
	result = ioctl( 0, KDSETTYPO, rate );
	if ( result == -1 ) {
		write( 2, SNL( "ioctl( 0, KDSETTYPO, rate ) failed\n" ) );
		exit( 1 );
	}
	return 0;
}

void usage( s )
char *s;
{
	write( 2, SNL( "usage: " ) );
	write( 2, SNL(  s        ) );
	write( 2, SNL( " rate\n" ) );
	write( 2, SNL( "       rate must be [0-9]\n" ) );
}