BPLUSTREE_MAGIC
return Magic() == BPLUSTREE_MAGIC
header->magic = HOST_ENDIAN_TO_BFS_INT32(BPLUSTREE_MAGIC);
(header->magic == BPLUSTREE_MAGIC ? "valid" : "INVALID"));
fHeader->magic = BPLUSTREE_MAGIC;
if (header.magic != BPLUSTREE_MAGIC
header->magic == BPLUSTREE_MAGIC ? "valid" : "INVALID");