BLF_SDUFAIL
(blp->bl_flags & BLF_SDUFAIL)) {
(blp->bl_flags & BLF_SDUFAIL)))) {
if (blp->bl_flags & BLF_SDUFAIL)
blp->bl_flags |= BLF_SDUFAIL;
if (!(blp->bl_flags & BLF_SDUFAIL))
(blp->bl_flags & (BLF_DELETED|BLF_SDUFAIL))) {
!(blcmp->bl_flags & (BLF_DELETED|BLF_SDUFAIL)) &&
blp->bl_flags &= ~BLF_SDUFAIL;
!(blcmp->bl_flags & (BLF_DELETED|BLF_SDUFAIL)) &&
!(blp->bl_flags & (BLF_DELETED|BLF_SDUFAIL)))