character(len=80) nmdin, nmdout, inpcrd, parm, restrt, &
      refc,vecs,lmod,tstat,expfil,lmdin,lmdout,plot, &
      rvecs,prjfil,masfil
character owrite
common /files/ nmdin, nmdout, inpcrd, parm, restrt, &
      refc,vecs,lmod,tstat,expfil,lmdin,lmdout,plot, &
      rvecs,prjfil,masfil,owrite