R-DELETE-FUNCTION
This function deletes the specified record. It does not affect the current file position.
Syntax:
 SET R-DELETE-FUNCTION TO TRUE
 
 CALL "R$IO" USING RIO-FUNCTION, 
                   f 
                   keyVal 
            GIVING returnCode
Parameters:
f
the file handle returned by R-OPEN-FUNCTION.
key-val
record number to delete
Return code:
returnCode can be any signed numeric data item and provides additional information:
>0
Operation successful.
0
Operation failed.