DMXGetInputCount - Man Page

#include <X11/extensions/dmxext.h>

Bool DMXGetInputCount(Display *dpy,
                      int *input_count);

DMXGetInputCount() returns the number of input devices connected to the Xdmx(1) server in input_count. This number is the same as that returned by XListInputDevices(3), but is available even when the XInput extension is not supported.

DMXGetInputCount() returns True unless there is a protocol error.

DMXGetInputAttributes(3), XListInputDevices(3), DMX(3), Xdmx(1)

DMX(3), DMXGetInputAttributes(3).