Defines starting with `m' in kern

• MACH_ASSERT kern/assert.h:42
• MACH_CALL_CONT kern/kdebug.h:79
• MACH_CALLOUT kern/kdebug.h:80
• MACH_EXCEPTION_ID kern/exception.c:327
• MACH_EXCEPTION_REPLY_ID kern/exception.c:328
• MACHINE_AST_PER_THREAD kern/ast.h:91
• MACH_NET_MSG_SIZE_MAX kern/mach_net.c:479
• MACH_SCHED kern/kdebug.h:76
• MACH_SLOCKS kern/lock.h:66
• MACH_STACK_ATTACH kern/kdebug.h:77
• MACH_STACK_HANDOFF kern/kdebug.h:78
• MACRO_BEGIN kern/macro_help.h:72
• MACRO_END kern/macro_help.h:73
• MACRO_RETURN kern/macro_help.h:75
• MAPFS_DEFAULT_BLOCKSIZE kern/mapfs.c:1195
• MAX_KDP_DATA_SIZE kern/kdp_protocol.h:395
• MAX_KDP_PKT_SIZE kern/kdp_protocol.h:394
• MAXPRI_USER kern/sched.h:126
• MAX_STUCK_THREADS kern/sched_prim.c:1898
• MFS_NOFLUSH kern/mapfs.h:106
• MFS_NOINVALID kern/mapfs.h:107
• MINSIZE kern/kalloc.h:56
• msg kern/netport_tcp.c:94
• MTYPE_KALLOC kern/malloc_debug.h:40
• MTYPE_KMEM_ALLOC kern/malloc_debug.h:42
• MTYPE_ZALLOC kern/malloc_debug.h:41
• mutex kern/netport_tcp.c:105