RRCONT_BUF
if( RRCONT_BUF <= (unsigned char *)name
&& (unsigned char *)name < RRCONT_BUF + ISO_SECTOR_SIZE )
rr_ptr.ptr = RRCONT_BUF + ce_ptr->u.ce.offset.l;
if (!iso9660_devread(ce_ptr->u.ce.extent.l, 0, ISO_SECTOR_SIZE, RRCONT_BUF))