xfree86 man page for dmxgetinputcount

DMXGetInputCount(3X)													      DMXGetInputCount(3X)

NAME
       DMXGetInputCount - determine number of input devices

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

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

DESCRIPTION
       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(3X), but is available even when the XInput extension is not supported.

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

SEE ALSO
       DMXGetInputAttributes(3X), XListInputDevices(3X), DMX(3X), Xdmx(1)

XFree86 							   Version 4.7.0					      DMXGetInputCount(3X)