K 10
svn:author
V 3
pfg
K 8
svn:date
V 27
2017-03-12T05:36:31.896432Z
K 7
svn:log
V 229
MFC r314321:
dc(1): Merge minor changes from OpenBSD.

Prefer setvbuf() to setlinebuf() for portability.
Some style(9) and redundant tests for NULL.

These are only meant to ease up merging newer changes.

Obtained from:	OpenBSD

END