when searching the name server, when there is at least one dot,
search the unmodified name first (this is so foo.cs will get the
Czechoslovakian foo, for example)

dynamically allocate header fields (and more....); miscellaneous
cleanup (mostly comments)

fix bug in envp handling in main(); always put trailing dot on
results of MX lookups

fix botch in random choice function for preferences

print host name in debugging info

fix lockf code; have getcanonname recognize canonical names

__hostalias is a front end issue, not a back end issue

have DNS return what matched on a T_CNAME query

return indication of whether nameserver found a match

reverse sense of w (wildcard MX) flag to default to the safest option,
instead of the most desirable option.

use #define for dn_skipname from resolv.h

better hack for __dn_skipname

cleanup for non-ANSI C compilers

some compatibility with SunOS for future work here at Berkeley;
change NO_WILDCARD_MX compilation flag to configuration option "w".

ANSI

new copyright notice

don't break old makefiles; bug report 4.3BSD/usr.lib/114

fix h_errno for ANSI C variable scoping

remove DEBUG

Add getcanonname using gethostbyname if NAMED_BIND undefined.

add NO_WILDCARD_MX #define

some cleanup of I option handling

install approved copyright notice

change T_ANY to T_CNAME; fix match where sites have *.domain for
MX records

change NO_ADDRESS to NO_DATA