XGetWMHints(3) on Linux
The text 640dbbbf87ad, as Debian 11 (Bullseye) shipped it.
allocate window manager hints structure and set or read a window's WM_HINTS property
The text 640dbbbf87ad, as Debian 11 (Bullseye) shipped it.
allocate window manager hints structure and set or read a window's WM_HINTS property