1 files changed, 63 insertions, 0 deletions
diff --git a/reference/C/X_EXAMPLES/hardware.c b/reference/C/X_EXAMPLES/hardware.c
new file mode 100644
index 0000000..bca5b3e
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+++ b/reference/C/X_EXAMPLES/hardware.c
@@ -0,0 +1,63 @@
+/************************************************************************
+ *
+ * Purpose: Program extracts information from the X server and displays
+ *          it on the screen.
+ *
+ * Notes:   Use the following command to compile. 
+ *
+ *                      gcc hardware.c -lX11
+ *
+ * Author:  M.J. Leslie
+ *
+ * Date:    26-Mar-95
+ *
+ ************************************************************************/
+
+/****************** Includes ********************************************/
+				/* These are in /usr/X386		*/
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/Xos.h>
+
+#include <stdio.h>
+
+main()
+{
+  Display * display;
+  int       screen;
+  char *    display_name=NULL;
+  Window    root;
+  Visual*   visual;
+
+  /* Connect to X display server.		*/
+  display=XOpenDisplay(display_name);
+
+  /* Get screen ID			*/
+  screen=DefaultScreen(display);
+
+
+  printf("\n\tInformation extracted from the X server\n");
+  printf("\t---------------------------------------\n\n");
+
+  printf(" X server by \'%s\'\n",        ServerVendor(display));
+
+  printf(" X Server protocol %d\n",      ProtocolVersion(display));
+
+  printf(" X server Release %d\n",       VendorRelease(display));
+
+  printf(" Screen is %dmm high.\n",      DisplayHeightMM(display, screen));
+
+  printf(" Screen is %dmm wide.\n",      DisplayWidthMM(display, screen));
+
+  printf(" Screen is %d pixels high.\n", DisplayHeight(display, screen));
+
+  printf(" Screen is %d pixels wide.\n", DisplayWidth(display, screen));
+
+  visual = DefaultVisual(display,screen);
+  printf(" %3d Colour map entries", visual->map_entries);
+  printf(" (Number of colours on the screen at one time).\n");
+
+  printf(" %3d Display planes (bits per screen pixel).\n", DisplayPlanes(display, screen));
+
+  printf(" There is %d screen(s).\n", ScreenCount (display));
+}
+\ No newline at end of file