XSetClassHint(3) on Linux
The text ac3d0ba406aa, as Debian 4.0 (Etch) shipped it.
allocate class hints structure and set or read a window's WM_CLASS property
The text ac3d0ba406aa, as Debian 4.0 (Etch) shipped it.
allocate class hints structure and set or read a window's WM_CLASS property