K 10
svn:author
V 3
pfg
K 8
svn:date
V 27
2017-04-21T19:27:33.953409Z
K 7
svn:log
V 261
lib: initial use of reallocarray(3).

Make some use of reallocarray, attempting to limit it to cases where the
parameters are unsigned and there is some theoretical chance of overflow.

MFC afer:	2 weeks
Differential Revision:	https://reviews.freebsd.org/D9980

END