ds_cb_t
uftdi_register_cb(ds_hdl_t hdl, uint_t portno, ds_cb_t *cb)
static int uftdi_register_cb(ds_hdl_t, uint_t, ds_cb_t *);
static int usbsacm_ds_register_cb(ds_hdl_t, uint_t, ds_cb_t *);
usbsacm_ds_register_cb(ds_hdl_t hdl, uint_t port_num, ds_cb_t *cb)
ds_cb_t ds_cb;
keyspan_register_cb(ds_hdl_t hdl, uint_t port_num, ds_cb_t *cb)
static int keyspan_register_cb(ds_hdl_t, uint_t, ds_cb_t *);
pl2303_register_cb(ds_hdl_t hdl, uint_t port_num, ds_cb_t *cb)
static int pl2303_register_cb(ds_hdl_t, uint_t, ds_cb_t *);
ds_cb_t uf_cb; /* DSD callbacks */
ds_cb_t acm_cb; /* DSD callbacks */
int (*ds_register_cb)(ds_hdl_t, uint_t port_num, ds_cb_t *cb);
ds_cb_t kp_cb; /* DSD callbacks */
ds_cb_t pl_cb; /* DSD callbacks */