Typedefs starting with `m' in previous

• MACHINETYPE src/includes/configuration.h:272
• MEMORY_SPEED src/includes/configuration.h:127
• MMU030_ATC_LINE src/cpu/cpummu030.c:103
• MODEPAGE src/scsi.c:155
• MODISK src/includes/configuration.h:197
• MONITORTYPE src/includes/configuration.h:237
• msg_item_t src/statusbar.c:90