VDC_OP_RESUBMIT
!(flags & VDC_OP_RESUBMIT)) {
nbytes, slice, offset, bufp, dir, flags & ~VDC_OP_RESUBMIT));
if (!(flags & VDC_OP_RESUBMIT)) {
if (flags & VDC_OP_RESUBMIT) {
VDC_OP_RESUBMIT);