xhci_transfer_copy
xhci_transfer_copy(xt, ucrp->ctrl_data->b_rptr, len, B_TRUE);
xhci_transfer_copy(xt, mp->b_rptr, len, B_TRUE);
xhci_transfer_copy(xt, mp->b_rptr, len, B_TRUE);
xhci_transfer_copy(xt, xhci_polledp->xhci_polled_buf, len, B_TRUE);
xhci_transfer_copy(xt, uirp->intr_data->b_rptr, uirp->intr_len,
xhci_transfer_copy(xt, usrp->isoc_data->b_rptr, mblen, B_FALSE);
xhci_transfer_copy(xt, ucrp->ctrl_data->b_rptr,
xhci_transfer_copy(xt, ubrp->bulk_data->b_rptr, ubrp->bulk_len,
extern void xhci_transfer_copy(xhci_transfer_t *, void *, size_t, boolean_t);