Defines starting with `l' in bsd/netiso

• lc_flags bsd/netiso/iso_snpac.h:125
• lc_ht bsd/netiso/iso_snpac.h:124
• LISTENING bsd/netiso/cons_pcb.h:150
• LITTLE_ENDIAN bsd/netiso/esis.h:92
• LLC_SIZE bsd/netiso/iso_snpac.c:189
• LOCAL_CREDIT_EXPAND bsd/netiso/tp_subr2.c:100
• LOW_NIBBLE bsd/netiso/if_cons.c:203