XmDestroyPixmap(3) on Linux
The text 614010a9226b, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
A pixmap caching function that removes a pixmap from the pixmap cache "XmDestroyPixmap" "pixmaps"