Symbol: VALID_BPBSIG
usr/src/cmd/mdb/common/modules/disk_label/disk_label.c
318
if (VALID_BPBSIG(bpb_get_BPBSig(bpb))) {
usr/src/uts/common/fs/pcfs/pc_vfsops.c
1962
if (VALID_BPBSIG(bpb_get_BPBSig(bpb)))