Add strings.h

[Jeff Johnston]

  On 10/08/2010 11:36 AM, Corinna Vinschen wrote:
> On Oct  8 17:17, Ralf Corsepius wrote:
>> On 10/08/2010 04:45 PM, Howland Craig D (Craig) wrote:
>>> Ralf:
>>>
>>> One suggestion:  for the unimplemented functions, rather than #if 0 to
>>> effectively comment them out, actually comment them out so that if
>>> people
>>> grep for them the results show that they are not real.
>>>
>>> That is, change, for example,
>>> #if 0
>>> /* Not implemented */
>>> int	 _EXFUN(strcasecmp_l,(const char *, const char *, locale_t));
>>> #endif
>>>
>>> to something like
>>> #if 0
>>> /* Not implemented */
>>> /* TBD int	 _EXFUN(strcasecmp_l,(const char *, const char *,
>>> locale_t)); */
>>> #endif
>>> [where the #if 0 could be kept, but obviously would not be needed].
>> I am OK with either solution - Jeff, Corinna, what's your preference?
> Can't speak for Jeff, but my preference would be to drop them entirely
> for now.  We have not a single SUSv4 locale-aware ctype and string
> function declared or defined.  Nor do we yet have a declaration or
> definition of the related newlocale/uselocale/duplocale/freelocale
> functions.  Without even the groundwork being available, I don't think
> it makes sense to mention these function at all.
>
>
> Corinna
>
I don't have a problem either way as there are only a few functions, but 
would prefer no ifdefs if they are mentioned.

-- Jeff J.