XWMHints(3x) on Linux
The text d385f73b16dd, as Debian 3.0 (Woody) shipped it.
allocate window manager hints structure and set or read a window's WM_HINTS property
The text d385f73b16dd, as Debian 3.0 (Woody) shipped it.
allocate window manager hints structure and set or read a window's WM_HINTS property