#include<unistd.h>
#include<stdlib.h>
#include<stdio.h>
#include<signal.h>
#include<fcntl.h>
#include<string.h>

char *directions = "UDLR";

int cf;
void handler(int signal){
	close(cf);
	printf("Ok, we closed the file!\n");
	exit(0);
}

int main(){
	struct sigaction action;
	action.sa_handler = handler;
	sigaction(SIGINT, &action, 0);
	cf = open("/proc/mousectl", O_WRONLY);
	for(;;){
		int n = random() % 2;
		char d = directions[random()%4];
		char message[16];
		message[0] = d;
		sprintf(message+1, "%d", n);
		write(cf, message, strlen(message));
		usleep(1000);
		n = random() % 10;
		if(n == 5){
			strcpy(message, "C1");
			write(cf, message, strlen(message));
			usleep(1000);
			strcpy(message, "C0");
			write(cf, message, strlen(message));
		}

	}
}