Defines starting with `m' in bsd/hfs

• MAC_GMT_FACTOR bsd/hfs/hfs.h:530
• MAXHFSVNODELEN bsd/hfs/hfs.h:233
• MAXLOGBLOCKSIZE bsd/hfs/hfs.h:151
• MAXLOGBLOCKSIZEBLOCKS bsd/hfs/hfs.h:152
• MVL_LOCKED bsd/hfs/hfs.h:362
• MXENCDNAMELEN bsd/hfs/mount_hfs.h:53