/****************************************/
/* Bk_Delay                             */
/* Delay with optional key-press break  */
/*                                      */
/* bk_delay(unsigned int msec);         */
/****************************************/

#include <stdio.h>
#include <stdlib.h>
#include <time.h>


bk_delay(unsigned int msec)
{
	unsigned long t0, t;

	t0 = (unsigned long)clock() * 1000L / 18L;

	do {
		t  = (unsigned long)clock() * 1000L / 18L;

		if((t - t0) >= (unsigned long)msec)
			break;
	} while(! kbhit());

	if(kbhit()) getch();
}
.