"few" change

[Ulrich Drepper]

I've just finished checking in a "few" changes.  These are
optimization changes I've done whenever I had a bit of time.  There
are three main categories:

- avoid initializing with zero (.bss is initialized this way)

- avoid array of string pointers (which leads to getting the constant
  array in .data and lots of relocations)

- other optimization; I mainly looked over several of the functions
  and improved them a bit.  This is also how I found the fnmatch()
  failures

I don't think anything is broken.  If it is you know where to complain.

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