All symbols starting with `m' in osfmk/device

• MACH_MSG_TYPE_INTEGER_8 osfmk/device/device.defs:84
• mach_port_t osfmk/device/device.defs:75
• master_device_port osfmk/device/device_init.c:71
• MIGEXTERN osfmk/device/iokit_rpc.c:73