HelenOS sources
ui_wnd_place_center 328 uspace/app/shutdown-dlg/shutdown-dlg.c params.placement = ui_wnd_place_center;
ui_wnd_place_center 1092 uspace/app/sysinst/sysinst.c params.placement = ui_wnd_place_center;
ui_wnd_place_center 116 uspace/lib/ui/src/msgdialog.c wparams.placement = ui_wnd_place_center;
ui_wnd_place_center 120 uspace/lib/ui/src/selectdialog.c wparams.placement = ui_wnd_place_center;
ui_wnd_place_center 191 uspace/lib/ui/src/window.c case ui_wnd_place_center:
HelenOS homepage, sources at GitHub