ypbind is supposed to create it but it doesn't. This is because when
it checks the return value for the attempted open() of
/var/yp/binding/DOMAIN.VERSION, it tests only for a value of -1. This
is bogus because open() doesn't return -1 in this case. Now it checks
for < 0 instead.
This should make life easier for many NIS-newbies who would otherwise
be left scratching their heads wondering why the NIS client stuff won't
work despite their best efforts. ("I set the domain name on my machine,
and /var/yp exists, but when I start ypbind and try a 'ypcat passwd,'
it says it can't bind to a server for this domain! Please help!")
*long, heavy sigh*
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