HelenOS sources

ui_wds_maximize_btn 1019 uspace/app/terminal/terminal.c 	wparams.style |= ui_wds_maximize_btn | ui_wds_resizable;
ui_wds_maximize_btn  728 uspace/app/uidemo/uidemo.c 	params.style |= ui_wds_maximize_btn | ui_wds_resizable;
ui_wds_maximize_btn  181 uspace/lib/ui/src/wdecor.c 	if ((style & ui_wds_maximize_btn) != 0) {
ui_wds_maximize_btn  795 uspace/lib/ui/src/wdecor.c 	if ((wdecor->style & ui_wds_maximize_btn) != 0) {
ui_wds_maximize_btn  282 uspace/lib/ui/src/window.c 	if ((window->wdecor->style & ui_wds_maximize_btn) == 0 ||
HelenOS homepage, sources at GitHub