Defines starting with `m' in bsd/netiso

• MAX_COLUMNS bsd/netiso/tp_subr2.c:862
• MAX_DTE_LEN bsd/netiso/cons_pcb.h:130
• MAX_SNPALEN bsd/netiso/iso_snpac.h:84
• MAX_TSAP_SEL_LEN bsd/netiso/tp_param.h:107
• MAXX25CRUDLEN bsd/netiso/iso_pcb.h:84
• MIN_USABLE_STATE bsd/netiso/cons_pcb.h:153
• MNULL bsd/netiso/iso_chksum.c:112
• MT_EOT bsd/netiso/tp_param.h:264
• MT_XCLOSE bsd/netiso/if_cons.c:127
• MT_XCONFIRM bsd/netiso/if_cons.c:128
• MT_XCONN bsd/netiso/if_cons.c:126
• MT_XDATA bsd/netiso/if_cons.c:129
• MT_XHEADER bsd/netiso/if_cons.c:130
• MT_XPD bsd/netiso/tp_param.h:263