Function mmal_sys::mmal_queue_get

pub unsafe extern "C" fn mmal_queue_get(
    queue: *mut MMAL_QUEUE_T
) -> *mut MMAL_BUFFER_HEADER_T

Get a MMAL_BUFFER_HEADER_T from a queue

@param queue Pointer to a queue

@return pointer to the next MMAL_BUFFER_HEADER_T or NULL if the queue is empty.