NDX_INVALID
hcp->bndx = NDX_INVALID;
hcp->bndx = NDX_INVALID;
hcp->bndx = NDX_INVALID;
hcp->dndx = NDX_INVALID;
hcp->bndx = NDX_INVALID;
hcp->dndx = NDX_INVALID;
if (hcp->bndx == NDX_INVALID) {
if (hcp->bndx != NDX_INVALID &&
} else if (hcp->bndx == NDX_INVALID) {