Shuts down the SCA callable command interface, freeing all dynamic
    memory associated with the interface routines and data structures.

    Format

      SCA$CLEANUP  command_context

1  –  Argument

 command_context
    type:       $SCA_COMMAND_CONTEXT
    access:     read/write
    mechanism:  by reference

    An SCA command context value.

2  –  Condition Value Returned

    SCA$_NORMAL           The SCA callable command interface has been
                          successfully shut down.

3  –  Description

    The SCA$CLEANUP routine shuts down the SCA callable command
    interface, freeing all dynamic memory associated with the
    interface routines and data structures.