!----- GPL ---------------------------------------------------------------------
!                                                                               
!  Copyright (C)  Stichting Deltares, 2011-2021.                                
!                                                                               
!  This program is free software: you can redistribute it and/or modify         
!  it under the terms of the GNU General Public License as published by         
!  the Free Software Foundation version 3.                                      
!                                                                               
!  This program is distributed in the hope that it will be useful,              
!  but WITHOUT ANY WARRANTY; without even the implied warranty of               
!  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                
!  GNU General Public License for more details.                                 
!                                                                               
!  You should have received a copy of the GNU General Public License            
!  along with this program.  If not, see <http://www.gnu.org/licenses/>.        
!                                                                               
!  contact: delft3d.support@deltares.nl                                         
!  Stichting Deltares                                                           
!  P.O. Box 177                                                                 
!  2600 MH Delft, The Netherlands                                               
!                                                                               
!  All indications and logos of, and references to, "Delft3D" and "Deltares"    
!  are registered trademarks of Stichting Deltares, and remain the property of  
!  Stichting Deltares. All rights reserved.                                     
!                                                                               
!-------------------------------------------------------------------------------
!  $Id$
!  $HeadURL$

C
C     ZOEK IS NIET AFHANKELIJK VAN UPPERCASE/LOWERCASE
C
C     De routine maakt gebruik van ICHAR()
C     a t/m z hebben codes 97 t/m 122
C     A t/m Z hebben codes 65 t/m 90
C
      SUBROUTINE ZOEK (NAAM,NOTOT,SYNAME,NZOEK,INDEX)
      INTEGER NOTOT, NZOEK, INDEX
      CHARACTER*(*) NAAM
      CHARACTER*(*) SYNAME(NOTOT)
      INTEGER I,K,I1,I2
      INDEX = -1
c     WRITE (*,'(A)') NAAM(1:NZOEK)
      DO 100 I = 1,NOTOT
c         WRITE (*,'(I5,A)') I,SYNAME(I)(1:NZOEK)
          DO 50 K = 1,NZOEK
              I1 = ICHAR(NAAM     (K:K))
              I2 = ICHAR(SYNAME(I)(K:K))
              IF (I1.GE. 97.AND.I1.LE.122) THEN
                  IF (I1.NE.I2.AND.I1.NE.(I2+32)) GOTO 100
              ELSEIF (I1.GE. 65.AND.I1.LE. 90) THEN
                  IF (I1.NE.I2.AND.I1.NE.(I2-32)) GOTO 100
              ELSE
                  IF (I1.NE.I2                  ) GOTO 100
              ENDIF
   50     CONTINUE
          INDEX = I
          GOTO 200
C         IF (NAAM(1:NZOEK).EQ.SYNAME(I)(1:NZOEK)) GOTO 200
  100 CONTINUE
c     WRITE (*,*) ' ZOEK:',INDEX
      RETURN
  200 CONTINUE
c     WRITE (*,*) ' ZOEK:',INDEX
      RETURN
      END