update_mouse_position 3756 src/dispextern.h extern int update_mouse_position (struct frame *, int, int);
update_mouse_position 3465 src/dispnew.c    update_mouse_position (SELECTED_FRAME (), XFIXNUM (mouse_x),
update_mouse_position 2696 src/term.c               count += update_mouse_position (f, event->x, event->y);