K 10 svn:author V 6 eadler K 8 svn:date V 27 2013-02-03T01:22:28.720681Z K 7 svn:log V 231 MFC r244407,r244409: POSIX requires that non-existent or null arguments be treated as if a zero argument were supplied. Add regression tests to catch this case as well. PR: bin/174521 Approved by: cperciva (mentor, implicit) END