CKCOMP    CKCOMP    CKCOMP    CKCOMP    CKCOMP    CKCOMP    CKCOMP    
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                              ******

SUBROUTINE CKCOMP (IST, IRAY, II, I)
Returns the index of an element of a reference character string
array which corresponds to a character string;
leading and trailing blanks are ignored.


INPUT
IST      - Character string; length determined by application
           program.
IRAY(*)  - Character string array; dimension at least II, the total
           number of character strings for be searched.
II       - Integer scalar, the length of IRAY to be searched.

OUTPUT
I        - Integer scalar, the first array index in IRAY of a
           character string IST, or 0 if IST is not found.