for x in 0 1 2 3 4 5 6 7 8; do 
		mknod -m 644 /dev/vcs$x c 7 $x;
		mknod -m 644 /dev/vcsa$x c 7 $[$x+128];
	done
	chown root:tty /dev/vcs*

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

	int main() {
		int fd;
		char *device = "/dev/vcsa2";
		struct {unsigned char lines, cols, x, y;} scrn;
		char ch, attrib;

		fd = open(device, O_RDWR);
		if (fd < 0) {
			perror(device);
			exit(1);
		}
		(void)read(fd, &scrn, 4);
		(void)lseek(fd, 4 + 2*(scrn.y*scrn.cols + scrn.x), 0);
		(void)read(fd, &ch, 1);
		(void)read(fd, &attrib, 1);
		printf("ch='%c' attrib=0x%02x\n", ch, attrib);
		attrib ^= 0x10;
		(void)lseek(fd, -1, 1);
		(void)write(fd, &attrib, 1);
		return 0;
	}