The Change Terminal Characteristics routine changes or retrieves
    the terminal characteristics for a given pasteboard.

    Format

      SMG$SET_TERM_CHARACTERISTICS  pasteboard-id

                                    [,on-characteristics1]

                                    [,on-characteristics2]

                                    [,off-characteristics1]

                                    [,off-characteristics2]

                                    [,old-characteristics1]

                                    [,old-characteristics2]

                                    [,on-characteristics3]

                                    [,off-characteristics3]

                                    [,old-characteristics3]

1  –  Returns

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

2  –  Arguments

 pasteboard-id

    OpenVMS usage:identifier
    type:         longword (unsigned)
    access:       read only
    mechanism:    by reference

    Specifies the pasteboard whose characteristics are to be changed
    or retrieved. The pasteboard-id argument is the address of an
    unsigned longword that contains the pasteboard identifier.

    The pasteboard identifier is returned by SMG$CREATE_PASTEBOARD.

 on-characteristics1

    OpenVMS usage:mask_longword
    type:         longword (unsigned)
    access:       read only
    mechanism:    by reference

    Bit mask that specifies the terminal characteristics to be set
    from $TTDEF. The on-characteristics1 argument is the address of
    an unsigned longword that contains the bit mask.

 on-characteristics2

    OpenVMS usage:mask_longword
    type:         longword (unsigned)
    access:       read only
    mechanism:    by reference

    Bit mask that specifies the terminal characteristics to be set
    from $TT2DEF. The on-characteristics2 argument is the address of
    an unsigned longword that contains the bit mask.

 off-characteristics1

    OpenVMS usage:mask_longword
    type:         longword (unsigned)
    access:       read only
    mechanism:    by reference

    Bit mask that specifies the terminal characteristics to be reset
    from $TTDEF. The off-characteristics1 argument is the address of
    an unsigned longword that contains the bit mask.

 off-characteristics2

    OpenVMS usage:mask_longword
    type:         longword (unsigned)
    access:       read only
    mechanism:    by reference

    Bit mask that specifies the terminal characteristics to be reset
    from $TT2DEF. The off-characteristics2 argument is the address of
    an unsigned longword that contains the bit mask.

 old-characteristics1

    OpenVMS usage:mask_longword
    type:         longword (unsigned)
    access:       write only
    mechanism:    by reference

    Retrieves the current terminal characteristics in the first
    group. The old-characteristics1 argument is the address of an
    unsigned longword that contains the bit mask.

 old-characteristics2

    OpenVMS usage:mask_longword
    type:         longword (unsigned)
    access:       write only
    mechanism:    by reference

    Retrieves the current terminal characteristics in the second
    group. The old-characteristics2 argument is the address of an
    unsigned longword that contains the bit mask.

 on-characteristics3

    OpenVMS usage:mask_longword
    type:         longword (unsigned)
    access:       read only
    mechanism:    by reference

    Bit mask that specifies the terminal characteristics to be set
    from $TT3DEF. The on-characteristics3 argument is the address of
    an unsigned longword that contains the bit mask.

 off-characteristics3

    OpenVMS usage:mask_longword
    type:         longword (unsigned)
    access:       read only
    mechanism:    by reference

    Bit mask that specifies the terminal characteristics to be reset
    from $TT3DEF. The off-characteristics3 argument is the address of
    an unsigned longword that contains the bit mask.

 old-characteristics3

    OpenVMS usage:mask_longword
    type:         longword (unsigned)
    access:       write only
    mechanism:    by reference

    Retrieves the current terminal characteristics in the third
    group. The old-characteristics3 argument is the address of an
    unsigned longword that contains the bit mask.