On Thu, Apr 18, 2019 at 10:33 PM <reed@reedmedia.net> wrote:

This email is two parts. I am researching 1970's symbolic name to
network address mapping routines.

1) I am looking for parsers for ancient (pre mid 1982) HOSTS.TXT. Since
this is Unix list, for Unix is fine :)

Got to Warren's archives for BSD 4.2 and look for the htable(8) and gettable(8). I believe the parsing routines will be in htable(8).