ref: b6005f3a457ff1b40b5fd342c63e2685e5f49b1c
parent: 29c7ca80c9df8f805217be9bb9a9a083ff12912d
author: cinap_lenrek <cinap_lenrek@felloff.net>
date: Mon May 16 17:11:54 EDT 2016
avoid updating offset in pread; avoid diagnostic about vlong mask (charles forsyth)