1  –  buf

    The buffer declared to receive the text

    Value:         Address of the buffer declared to receive the text
    Data type:     Character string
    Passing        By descriptor
    mechanism:

2  –  errmsglen

    The number of characters allotted for the error messages to be
    returned. This parameter is optional.

    Value:         Number of characters allotted for the error
                   messages
    Data type:     Word
    Passing        By reference
    mechanism: