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F_FINDWORDINDEX

compatibility to FreeUDFLib, FreeUDFLibC, FreeUDFLib AvERP

Entrypoint findwordindex not compatible with UTF-8 - if needed please ask

Inputs/Outputs

   Input      CSTRING(32760)     String
              INTEGER	          length of the string which should be examined
   Output     INTEGER	          examines whether the position from Paramter 2 exists in the string.
                                If the poition is found in the string, the result is the position itself, 
                                if not found the result is -1.

Syntax

   Counting starts at 0.
   TestSQL
   SELECT 12 AS ISCORRECT, F_FINDWORDINDEX('Geburtstagsparty', 12) FROM RDB$DATABASE;
   SELECT -1 AS ISCORRECT, F_FINDWORDINDEX('Geburtstagsparty', 16) FROM RDB$DATABASE;
   SELECT NULL AS ISCORRECT, F_FINDWORDINDEX(NULL, NULL) FROM RDB$DATABASE;