static int transfer_event(int fd, int revents, void *cb_data)
{
const struct sr_dev_inst *sdi;
struct dev_context *devc;
struct drv_context *drvc;
struct timeval tv;
static int transfer_event(int fd, int revents, void *cb_data)
{
const struct sr_dev_inst *sdi;
struct dev_context *devc;
struct drv_context *drvc;
struct timeval tv;