Module name: src
Changes by: schwa...@cvs.openbsd.org 2018/02/12 08:45:12
Add the missing RETURN VALUES section and reorder the content
accordingly. Make some statements more precise, and point out
some dangerous traps in these ill-designed interfaces.
Also do some minor polishing while here.
Triggered by OpenSSL commit 1f13ad31 Dec 25 17:50:39 2017 +0800
by Paul Yang, but not using most of his wording because that is in
part redundant, in part incomplete, and in part outright wrong.