int ioctl(fd, int request = VIDEO_GET_STATUS, struct video_status *status) Arguments

int fd File descriptor returned by a previous call to open().
int request Equals VIDEO_GET_STATUS for this command.
struct video_status *status Returns the current status of the Video Device. Description

This ioctl call asks the Video Device to return the current status of the device. Return Value

On success 0 is returned, on error -1 and the errno variable is set appropriately. The generic error codes are described at the Generic Error Codes chapter.