changes

[Ulrich Drepper]

Hi,

I've checked in a lot of changes.  They mainly deal with a little
optimization.  The names used inside the libc are unified.  I.e., the
function write is now not any addressed using the name write and
__write.  The benefits:

- a little bit faster since a function is never looked up with two names

- consistent interface which could be used for overloading

- smaller PLT (reduced by 80 entries)

- faster lookup for many functions since now the names refer to strong names
  and not weak aliases.


I know that compiling generates a few warnings.  I'll handle this now
(once the compiler has done its job here.)

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