Defines starting with `v' in bsd/hfs

• VERSION_STRING bsd/hfs/hfs.h:80
• VOPDBG_IGNORE bsd/hfs/hfs_dbg.h:276
• VOPDBG_LOCKED bsd/hfs/hfs_dbg.h:277
• VOPDBG_LOCKNOTNIL bsd/hfs/hfs_dbg.h:279
• VOPDBG_POS bsd/hfs/hfs_dbg.h:283
• VOPDBG_SAME bsd/hfs/hfs_dbg.h:280
• VOPDBG_UNLOCKED bsd/hfs/hfs_dbg.h:278
• VOPDBG_ZERO bsd/hfs/hfs_dbg.h:282