K 10
svn:author
V 3
des
K 8
svn:date
V 27
2017-03-22T13:16:04.972056Z
K 7
svn:log
V 361
Add options to capture stdout and / or stderr and pass the output on
to the user.  There is currently no buffering, so the result may be
somewhat unpredictable if the conversation function adds a newline,
like openpam_ttyconv() does.

Clean up and simplify the environment handling code, which triggered
an inexplicable bug on some systems.

MFC after:	2 weeks

END