truncate_echo_area  662 src/keyboard.c   truncate_echo_area (nchars);
truncate_echo_area 4167 src/lisp.h     extern void truncate_echo_area (ptrdiff_t);
truncate_echo_area  666 test/manual/etags/c-src/emacs/src/keyboard.c   truncate_echo_area (nchars);
truncate_echo_area 3695 test/manual/etags/c-src/emacs/src/lisp.h extern void truncate_echo_area (ptrdiff_t);