INVALID_OFFSET
if (nextent->off == INVALID_OFFSET &&
if (ent->off != INVALID_OFFSET)
if (offset_table[i]->off == INVALID_OFFSET) {
off = INVALID_OFFSET; /* to be discovered */
if (ent->off != INVALID_OFFSET)
if (offset_table[i]->off != INVALID_OFFSET) {