keyspan_send_cmd
if (keyspan_send_cmd(kp) != USB_SUCCESS) {
rval = keyspan_send_cmd(kp);
rval = keyspan_send_cmd(kp);
rval = keyspan_send_cmd(kp);
rval = keyspan_send_cmd(kp);
(void) keyspan_send_cmd(kp);
if (keyspan_send_cmd(kp) != USB_SUCCESS) {
if (keyspan_send_cmd(kp) != USB_SUCCESS) {
int keyspan_send_cmd(keyspan_port_t *);