/*
Module : gamecglob.c
Author : Kim Moser, Leon Moser
Date   :
System : IBM PC / Borland Turbo C 2.0
Descrip: Global functions and variables for GAME.C
*/

#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
#include <graphics.h>
#include "gameglob.h"

void halt(char *s)
{
	fprintf(stderr, s);
	exit(-1);
}

int keyhit(void)
{
	int ch;

	if ((ch=getch()) == NULL)
	/* Assumes that extended key code is next char returned, and that getch()
	   will NOT wait for a key [i.e. key will be available immediately]. */
		return (getch()+EXTENDED);
	else
		return ch;
}