The Strings, Free One Dynamic routine returns one dynamic string
    area to free storage.

    Format

      OTS$SFREE1_DD  dynamic-descriptor

1  –  Corresponding JSB Entry Point

      OTS$SFREE1_DD6

2  –  Returns

    None.

3  –  Argument

 dynamic-descriptor

    OpenVMS usage:quadword_unsigned
    type:         quadword (unsigned)
    access:       modify
    mechanism:    by reference

    Dynamic string descriptor. The dynamic-descriptor argument is
    the address of the dynamic string descriptor. The descriptor is
    assumed to be dynamic and its class field is not checked.