/* * Written by Der Herr Hofrat, der.herr@hofr.at * (C) 2002 FSMLabs * License: GPL Version 2 */#include <stdio.h>#include <unistd.h>#include <stdlib.h> /* exit */#include <sys/io.h>#define LPT 0x378int main(void){	int in;	if (ioperm(LPT, 3 , 1) < 0) {		fprintf(stderr,"ioperm: error accessing to IO-ports. Root Privileges required");		exit(-1);	}	while(1) {		in=inb(LPT+1);		in = in >> 3;		in = in & 0x0f;		printf("%x\n",in);		usleep(100000);     	}	exit(0);}