C Copyright (C) 2009-2017 National Technology & Engineering Solutions
C of Sandia, LLC (NTESS).  Under the terms of Contract DE-NA0003525 with
C NTESS, the U.S. Government retains certain rights in this software.
C
C Redistribution and use in source and binary forms, with or without
C modification, are permitted provided that the following conditions are
C met:
C
C     * Redistributions of source code must retain the above copyright
C       notice, this list of conditions and the following disclaimer.
C
C     * Redistributions in binary form must reproduce the above
C       copyright notice, this list of conditions and the following
C       disclaimer in the documentation and/or other materials provided
C       with the distribution.
C
C     * Neither the name of NTESS nor the names of its
C       contributors may be used to endorse or promote products derived
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C
C THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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C

C=======================================================================
      SUBROUTINE CHRDN(LINE1,LINE2)
      CHARACTER*(*) LINE1,LINE2

      L = MIN(LEN(LINE1),LEN(LINE2))
      I = 1
 2000 IF (.NOT. (I.LE.L)) GO TO 2020
      ICH = ICHAR(LINE1(I:I))
      IF (ICH.GE.65 .AND. ICH.LE.90) THEN
         ICH = ICH + 32
      END IF

      LINE2(I:I) = CHAR(ICH)
      I = I + 1
      GO TO 2000

 2020 CONTINUE
      RETURN

      END
