Software :: V4l2 Webcam Program - Cannot Identify Dev Video

I am trying to develop an application that uses webcameras (in jaunty), so I found this code here, which gives examples: [URL]. I compiled it on my computer (which has a built in webcam on top that I know works, tested it and it worked in luvcview) and then tried to run it. I get an error message that says:

Cannot identify '/dev/video': 2, No such file or directory
I have located the part in the program where this comes from:
static void
open_device (void)
{ struct stat st;
if (-1 == stat (dev_name, &st)) {
/*dev_name is "/dev/video" btw, defined in main*/
fprintf (stderr, "Cannot identify '%s': %d, %s",
dev_name, errno, strerror (errno));
exit (EXIT_FAILURE);
}