The Free One Dynamic String routine returns the dynamically
    allocated storage for a dynamic string.

    Format

      LIB$SFREE1_DD  descriptor-address

1 - Corresponding JSB Entry Point

      LIB$SFREE1_DD6

2 - Returns

    OpenVMS usage:cond_value
    type:         longword (unsigned)
    access:       write only
    mechanism:    by value

3 - Argument

 descriptor-address

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

    Dynamic descriptor specifying the area to be deallocated. The
    descriptor-address argument is the address of an unsigned
    quadword that is this descriptor. The descriptor is assumed to
    be dynamic and its class field is not checked.