/* Define this if you have the XReadDisplay extension (I think this is an
SGI-only thing; it's in <X11/extensions/readdisplay.h>.) A few of the
screenhacks will take advantage of this if it's available. */
/* Define this if you have the XReadDisplay extension (I think this is an
SGI-only thing; it's in <X11/extensions/readdisplay.h>.) A few of the
screenhacks will take advantage of this if it's available. */
/* If using the C implementation of alloca, define if you know the
direction of stack growth for your system; otherwise it will be
/* If using the C implementation of alloca, define if you know the
direction of stack growth for your system; otherwise it will be
STACK_DIRECTION > 0 => grows toward higher addresses
STACK_DIRECTION < 0 => grows toward lower addresses
STACK_DIRECTION = 0 => direction of growth unknown */
STACK_DIRECTION > 0 => grows toward higher addresses
STACK_DIRECTION < 0 => grows toward lower addresses
STACK_DIRECTION = 0 => direction of growth unknown */