HelenOS sources

uidemo_show_message  554 uspace/app/uidemo/uidemo.c 		uidemo_show_message(demo, "Error", "Error opening file.");
uidemo_show_message  560 uspace/app/uidemo/uidemo.c 		uidemo_show_message(demo, "Error", "Error reading file.");
HelenOS homepage, sources at GitHub