Defines starting with `m' in bsd/kern

• MANTSIZE bsd/kern/kern_acct.c:252
• MAXFRACT bsd/kern/kern_acct.c:254
• MAX_INPUT bsd/kern/tty.c:235
• MAXLDISC bsd/kern/tty_conf.c:69
• MAX_SPEED bsd/kern/tty_compat.c:90
• MAX_TSTATE_FLAVORS bsd/kern/kern_core.c:133
• MAXUNITS bsd/kern/tty_pty.c:135
• MINCL bsd/kern/uipc_mbuf.c:104
• MSG_DEBUG bsd/kern/sysv_msg.c:52
• MSR_SE_BIT bsd/kern/mach_process.c:290