This is version 4.0 of Dans authuser library with a patch applied to catch the SIGPIPE signal that can occur when writing to a remote non-existant auth daemon. There is also a patch applied that fixes the (previously) incorrect argument declaration to clearsa(). /Peter Eriksson (pen@lysator.liu.se)
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.