XSetClassHint(3) on Linux
The text 614eae011a92, as Debian 5.0 (Lenny) shipped it.
allocate class hints structure and set or read a window's WM_CLASS property
The text 614eae011a92, as Debian 5.0 (Lenny) shipped it.
allocate class hints structure and set or read a window's WM_CLASS property