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C 
C This program is free software; you can redistribute it and/or
C modify it under the terms of the GNU General Public License
C as published by the Free Software Foundation; either version 2
C of the License, or (at your option) any later version.
C 

      program fprogram
      implicit none
      integer*4 arg,res

      write(*,*) 'Welcome to GNU libtool Fortran demo!'
      write(*,*) 'Real programmers write in FORTRAN.'
      arg=2

      call fsub(arg,res)

      write(*,*) 'fsub returned, saying that 2 *',arg,' =',res

      if (res.eq.4) then
         write(*,*) 'fsub is ok!'
      endif

      stop
      end