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DMXQueryExtension(3)  DragonFly Library Functions Manual  DMXQueryExtension(3)

NAME
       DMXQueryExtension - determine if DMX is available

SYNOPSIS
       #include <X11/extensions/dmxext.h>

       Bool DMXQueryExtension(Display *dpy,
                              int *event_basep,
                              int *error_basep);

DESCRIPTION
       DMXQueryExtension() determines if the DMX protocol extension is
       available.  It will be available if the server is an Xdmx(1) server.

RETURN VALUE
       If the DMX protocol extension is available, event_basep and error_basep
       will be set to the event and error bases, respectively, and True will
       be returned.  Otherwise, False will be returned.

SEE ALSO
       DMXQueryVersion(3),  DMX(3), Xdmx(1)

X Version 11                     libdmx 1.1.3             DMXQueryExtension(3)