Symbol: v4l2_requestbuffers
usr/src/uts/common/io/usb/clients/video/usbvc/usbvc_v4l2.c
242
struct v4l2_requestbuffers reqbuf;
usr/src/uts/common/sys/videodev2.h
1353
#define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers)