Symbol: OVERLAY_IOC_NPROPS
usr/src/lib/libdladm/common/libdloverlay.c
530
ret = ioctl(dladm_dld_fd(handle), OVERLAY_IOC_NPROPS, &oin);
usr/src/uts/common/io/overlay/overlay.c
1999
{ OVERLAY_IOC_NPROPS, DLDCOPYIN | DLDCOPYOUT,