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automaticaly generating header files

Does any one know how I can automaticaly generate header files with prototypes for all functions with external linkage (e.g. not static). I am using gcc.

Also it would be a bonus it I could generate the headers for c++ files as well.
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bearware
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bearware
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TriskelionCommented:
I have not tried this, but:
   http://www.hwaci.com/sw/mkhdr/index.html


I'm sure you could use sed and awk to do it too.
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bearwareAuthor Commented:
I tryed to write a regular expression to find all function definitions once before, It was mind bogalingly hard and only found 90%. If it worked I would use it as you suggested. If you know where I can get regexps for the job that work, ill give it a go.
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garbouaCommented:
there is a program out there called cextract, which will do exactly what you want.  it is not easy to find so here is a shortcut.
http://www.programmersheaven.com/zone3/cat479/16520.htm
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bearwareAuthor Commented:
I tryed it it worked.
Had to grep its output a bit though.
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