+ * Revision 1.8 1998/06/08 11:21:22 mdw
+ * Fixed bug in password and group file reading: strtok doesn't handle
+ * double colons nicely.
+ *
+ * Revision 1.7 1998/04/23 13:27:46 mdw
+ * Switch to using the ypstuff interface to YP server.
+ *
+ * Revision 1.6 1998/01/12 16:46:33 mdw
+ * Fix copyright date.
+ *
+ * Revision 1.5 1997/09/17 10:24:08 mdw
+ * Use `uid_t' instead of `int' for uids and gids. Not quite sure why I
+ * didn't do this before.
+ *
+ * Revision 1.4 1997/08/20 16:24:58 mdw
+ * Patch memory leak. Rename `userdb_reinit' to `userdb_end' for more
+ * sensible restart.
+ *
+ * Revision 1.3 1997/08/07 09:44:29 mdw
+ * Read NIS-based passwords from the YP server directly, rather than using
+ * `popen(ypcat)', which is probably both slower and less secure.
+ *