Macros starting with `e' in netiso

• END_WHILE_OPTIONS netiso/tp_input.c:227
• ESIS_CKSUM_REQUIRED netiso/esis.h:114
• ESIS_EXTRACT_ADDR netiso/esis.c:483
• ESIS_NEXT_OPTION netiso/esis.c:485
• EXTEND_PACKET netiso/esis.c:112