concat_to_string  692 src/fns.c      static Lisp_Object concat_to_string (ptrdiff_t nargs, Lisp_Object *args);
concat_to_string  697 src/fns.c        return concat_to_string (2, ((Lisp_Object []) {s1, s2}));
concat_to_string  703 src/fns.c        return concat_to_string (3, ((Lisp_Object []) {s1, s2, s3}));
concat_to_string  732 src/fns.c        return concat_to_string (nargs, args);