NAME
    OpenMonitor -- open a named MonitorSpec (V36)
SYNOPSIS
    mspc = OpenMonitor( monitor_name , display_id)
     d0                  a1              d0
    struct MonitorSpec *OpenMonitor( char *, ULONG );
FUNCTION
    Locate and open a named MonitorSpec.
INPUTS
    monitor_name - a pointer to a null terminated string.
    display_id - an optional 32 bit monitor/mode identifier
RESULTS
    mspc - a pointer to an open MonitorSpec structure.
           NULL if MonitorSpec could not  be opened.
NOTE
    if monitor_name is non-NULL, the monitor will be opened by name.
    if monitor_name is NULL the monitor will be opened by optional ID.
    if both monitor_name and display_id are NULL returns default monitor.
BUGS
SEE ALSO
    CloseMonitor() graphics/monitor.h