>    And, moved from usr.sbin/fwctl/eui64.[ch] to lib/libc/net/eui64.c and
   >    sys/sys/eui64.h.  FreeBSD,s eui64.[ch] are there.
   >    
   >    Is it problem? 
   > 
   > is there a good reason to put this code in libc?  could it go into
   > libutil perhaps?  who are the users of it?
   
   FreeBSD's eui64.[ch] is in libc.  eui64.[ch] is used by fwctl(8).


if it is only used by one program i don't see why it belongs in libc,
or any library.


.mrg.