K 10
svn:author
V 3
mpp
K 8
svn:date
V 27
1997-03-19T21:01:45.000000Z
K 7
svn:log
V 246
Document the .Rv (return values) macro.

".Rv -std atexit" will generate the following text:

The atexit() function returns the value 0 if successful; otherwise the
value -1 is returned and the global variable errno is set to indicate the
error.

END