funcall_subr      815 src/bytecode.c 	      val = funcall_subr (XSUBR (call_fun), call_nargs, call_args);
funcall_subr     1872 src/data.c               funcall_subr (XSUBR (watcher), ARRAYELTS (args), args);
funcall_subr     2954 src/eval.c         return funcall_subr (XSUBR (fun), numargs, args);
funcall_subr     4575 src/lisp.h     extern Lisp_Object funcall_subr (struct Lisp_Subr *subr, ptrdiff_t numargs, Lisp_Object *arg_vector);