cgd 4e9cb67485 (1) update usage info
(2) fix every instance of fprintf/exit except usage to use err()/errx()
(3) make netmask print out with a leading 0x, so that you can paste it back.
1994-01-22 02:04:35 +00:00
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1994-01-22 00:29:20 +00:00
1994-01-22 02:04:35 +00:00