HelenOS sources

termui_set_scroll_cb 1098 uspace/app/terminal/terminal.c 	termui_set_scroll_cb(term->termui, termui_scroll_cb, term);
termui_set_scroll_cb  111 uspace/lib/termui/include/termui.h void termui_set_scroll_cb(termui_t *termui, termui_scroll_cb_t cb, void *userdata);
HelenOS homepage, sources at GitHub