hpux man page for ximagebyteorder

XImageByteOrder()														 XImageByteOrder()

Name
  XImageByteOrder, ImageByteOrder - get server's byte order.

Synopsis
  int XImageByteOrder(display)
	   Display *display;

Arguments
  display   Specifies a connection to an X server; returned from XOpenDisplay().

Returns
  LSBFirst or MSBFirst.

Description
  XImageByteOrder()  specifies	the  required byte order for images for each scanline unit in XY format (bitmap) or for each pixel value in Z
  format.  It can return either LSBFirst or MSBFirst.

  The C language macro ImageByteOrder() is equivalent and slightly more efficient.

See Also
  XGetImage(), XPutImage().

Xlib - Macro Equivalents													 XImageByteOrder()