XEmptyRegion(3X) — X Version 11
NAME
XEmptyRegion, XEqualRegion − determine if regions are empty or equal
SYNTAX
int XEmptyRegion(r)
Region r;
int XEqualRegion(r1, r2)
Region r1, r2;
ARGUMENTS
rSpecifies the region.
r1
r2Specify the two regions.
DESCRIPTION
The XEmptyRegion function returns nonzero if the specified region is empty.
The XEqualRegion function returns nonzero if two regions have the same offset, size, and shape.
SEE ALSO
XCreateRegion(3X), XIntersectRegion(3X)
Xlib − C Language X Interface
1 March 1988