K 10
svn:author
V 4
ache
K 8
svn:date
V 27
2014-08-06T10:33:43.977640Z
K 7
svn:log
V 202
MFC: r268997

For "a"-mode files and rewind/fseek + fwrite combination return meaningful
value now, like Apple does, but avoid their __sflush physical write
performance degradation as much as possible.

END