Typedefs starting with `m' in osfmk/ppc

• MachineThrAct_t osfmk/ppc/thread_act.h:106
• mapping osfmk/ppc/mappings.h:54
• mappingblok osfmk/ppc/mappings.h:83
• mappingctl osfmk/ppc/mappings.h:72
• mem_region_t osfmk/ppc/pmap_internals.h:90