On Wed, 07 Jan 1998 13:36:13 -0500 
 Matt Thomas <matt@3am-software.com> wrote:

 > >If you want to get the string identity of the original user, use getpwuid()
 > >with the real user id passed in the sockcred.
 > 
 > Or you could pass a self describing structure.  
 > uid/gid/euid/egid/grp-cnt/n-grps/loginname(0 term).

Ok, I give in :-)  I'm now passing the supplemental group list as a variable
length array, but I still shy away from passing the login name.  I can't
see why that's necessary, since that information is essentially available
from the real uid, and adding it would add some cruft to the interface.

Jason R. Thorpe                                       thorpej@nas.nasa.gov
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