Changes the characters in a string to uppercase.

1  –  Input

       A character string.

2  –  Output

       The input character string, all in uppercase.

3  –  Example

       DTR> DECLARE WOMBAT PIC X(25).
       DTR> WOMBAT = "Wombats have sharp claws."
       DTR> PRINT FN$UPCASE (WOMBAT)

                 FN$UPCASE

       WOMBATS HAVE SHARP CLAWS.

       DTR>