Ability to use C libraries

[nex3]

It would be very nice to be able to use C libraries from within Dart (VM only, of course). The specific API isn't especially important; something like Ruby's (http://www.rubycentral.com/pickaxe/ext_ruby.html) or Python's (http://docs.python.org/extending/) extension APIs would work, as would some sort of foreign function interface.

This is important for accessing existing native libraries that are infeasible to rewrite in pure Dart.

[iposva-google]

http://news.dartlang.org/2012/05/dart-vm-gets-cc-extensions.html
http://www.dartlang.org/articles/native-extensions-for-standalone-dart-vm/

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cc @whesse.
Set owner to @nex3.
Added AsDesigned label.

[DartBot]

This comment was originally written by ladicek@gmail.com

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I guess it could also be classified as a duplicate of issue #3570.