For the benefit of SunOS 4.1.4, define MS_SYNC as 0 when it's undefined.  ccording to MvL, this is safe: the MS_SYNC flag means that msync() returns when all I/O operations are scheduled; without it, it waits until they are complete, which is acceptable behavior.
For the benefit of SunOS 4.1.4, define MS_SYNC as 0 when it's
undefined.  ccording to MvL, this is safe: the MS_SYNC flag means that
msync() returns when all I/O operations are scheduled; without it, it
waits until they are complete, which is acceptable behavior.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator