Path: utzoo!attcan!uunet!know!samsung!cs.utexas.edu!rutgers!njin!princeton!phoenix.Princeton.EDU
From: pfalstad@phoenix.Princeton.EDU (Paul John Falstad)
Newsgroups: comp.unix.questions
Subject: /bin/pwd
Message-ID: <2488@idunno.Princeton.EDU>
Date: 13 Sep 90 19:31:13 GMT
Sender: news@idunno.Princeton.EDU
Organization: Princeton University, Princeton, New Jersey
Lines: 6

Can anyone tell me how /bin/pwd works?  I thought it was a trivial
program until I tried to write my own without getcwd(3).  getcwd is not
a system call, so it must be possible.  The way I think it works is
quite complicated, so I thought there would be an easier way.

  David Hemmings appeared by permission of the National Forestry Commission.