v4l2_cropcap     1424 include/linux/videodev2.h #define VIDIOC_CROPCAP		_IOWR('V', 58, struct v4l2_cropcap)
v4l2_cropcap     1462 include/linux/videodev2.h #define VIDIOC_CROPCAP_OLD     	 _IOR('V', 58, struct v4l2_cropcap)
v4l2_cropcap      182 include/media/v4l2-ioctl.h 					struct v4l2_cropcap *a);