hey Michael,
here just an example:
this small tool opens the cd tray
#include <sys/types.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <linux/cdrom.h>
int main(){
int cdrom;
if ((cdrom = open("/dev/cdrom",O_RDONLY | O_NONBLOCK)) < 0) {
perror("open");
exit(1);
}
if (ioctl(cdrom,CDROMEJECT,0)<0) {
perror("ioctl");
exit(1);
}
close(cdrom);
return(0);
}
simply build it with gcc tray.c -o tray
look at cdrom.h for more defined operations, you will also find
CDROMEJECT in there, 0 is an argument see the manpage (man ioctl) for
more infos..
Markus
On Fri, 04 Mar 2005 14:15:04 -0500, michael young <[EMAIL PROTECTED]> wrote:
> Hi,
> how do you use the ioctl.h?
> there seems to be little info on it
> on the web or in print. If you know
> of anything on the web please let me
> know.
>
> thank you,
> Mike
>
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