C-----------------------------------------------------------------------
C I/O units used by the program
C-----------------------------------------------------------------------
      integer inp,iout,igeom,intin,ipdb,imol2,ipdbin,jplot,jstatin,
     & jstatout
      common /iounits/ inp,iout,igeom,intin,ipdb,imol2,ipdbin,jplot,
     & jrms,jstatin,jstatout
      character*256 outname,intname,intinname,pdbname,mol2name,prefix,
     &  prefout,prefintin,statname,rmsname,statinname,statoutname
      common /fnames/ outname,intname,pdbname,mol2name,intinname,prefix,
     &  prefout,prefintin,statinname,statoutname
C-----------------------------------------------------------------------
C INP    - main input file
C IOUT   - list file
C IGEOM  - geometry output in the form of virtual-chain internal coordinates
C INTIN  - geometry input (for multiple conformation processing) in int. coords.
C IPDB   - Cartesian-coordinate output in PDB format
C IMOL2  - Cartesian-coordinate output in Tripos mol2 format
C IPDBIN - PDB input file
C JPLOT  - file for the LaTeX plot of the minimal tree.
C JRMS   - RMS deviations end energy differences
C-----------------------------------------------------------------------