#include <stdio.h>		/* Standard librares */
#include <unistd.h>
#include <stdlib.h>

#include <sys/ioctl.h>		/* The magic ioctl function */

#include <sys/types.h>		/* For open(3) */
#include <sys/stat.h>
#include <fcntl.h>

#include <linux/cdrom.h>	/* Human-readable cdrom ioctls */

#ifndef CDROM_SELECT_SPEED
	#define CDROM_SELECT_SPEED      0x5322  /* Set the CD-ROM speed */
#endif
#ifndef CDC_SELECT_SPEED
	#define CDC_SELECT_SPEED        0x8     /* programmable speed */
#endif	

int main(int argc, char *argv[]) {

	int cdrom, speed, ret = 0;

	cdrom = open("/dev/cdrom", O_RDONLY | O_NONBLOCK);
	if(cdrom == -1) {
		fprintf(stderr,"\nUm, I can't seem to open the cd device.  Make the link\n"
			"to the device to open.\n"
			"Example: \"ln -s /dev/hdb /dev/cdrom\"\n");
		return 1;
	}

	if (argc == 1) {
		fprintf(stderr, "Type speed\n");
		close(cdrom);
		return 1;
	}
	speed = atoi(argv[1]);
	
	ret = ioctl(cdrom, CDROM_SELECT_SPEED, speed);
	if (ret < 0) {
		fprintf(stderr, "Something is wrong\n");
		close(cdrom);
		return 2;
	}

	close(cdrom);
	
	return 0;
}