anchor.diff:  c
    30   continue
           ierr=3
  +        errstrng="scan_hist"
           close(kr)
           return
   c
         end
   c
   c version
  -c $Id: scan_hist.f,v 1.1 2004/04/14 21:18:30 willic3 Exp $
  +c $Id: scan_hist.f,v 1.2 2004/07/12 20:00:16 willic3 Exp $
   c
   c Generated automatically by Fortran77Mill on Wed May 21 14:15:03 2003
   c
  
positive.code:         do i=1,npoints
            read(kr,*,end=30,err=30) time,hload
          end do
          nhist=nhist+1
          go to 40
  c
  c...  normal return
  
negative.code: c
  c...  open input file
  c
        ierr=izero
        nhist=izero
        open(kr,file=hfile,status="old",err=10)
  c
  c... scan the file, counting the number of entries.
  