[PATCH 4/5] Clean up redundancies between string.h and strings.h.

[Zack Weinberg]

On 11/28/2016 11:00 AM, Zack Weinberg wrote:
> There are a bunch of declarations duplicated between string.h and
> strings.h (with minor inconsistencies).  This patch makes strings.h
> their canonical home; string.h simply includes strings.h under
> __USE_MISC.
> 
> Also, the declaration of __bzero is removed from public headers.
> It was once used by string2.h inlines but is no longer required.

Ping.