generate header-file

gistfile1.vim

" Creates a header file from the function declarations within the current C
" file.
" Barry Arthur, 2012 05 15

let header = expand('%:r') . '.h'
if filereadable(header)
  echo "Header file " . header . " exists!"
  finish
endif
silent exe "!touch " . header
g/^\w\+.\{-}(.\{-}).*{\s*$/ silent exe "silent . write >> " . header
exe "e " . header
%s/\s*{\s*$/;/
%s/\s*\w\+)/)/
%s/\s*\w\+,/,/g
%s/()/(void)/
redraw!