diff --git a/Modules/almodule.c b/Modules/almodule.c
index aef2eee..d986d34 100644
--- a/Modules/almodule.c
+++ b/Modules/almodule.c
@@ -1,6 +1,6 @@
 /**********************************************************
-Copyright 1991, 1992 by Stichting Mathematisch Centrum, Amsterdam, The
-Netherlands.
+Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
+Amsterdam, The Netherlands.
 
                         All Rights Reserved
 
diff --git a/Modules/clmodule.c b/Modules/clmodule.c
index 8220862..a9a378e 100644
--- a/Modules/clmodule.c
+++ b/Modules/clmodule.c
@@ -1,6 +1,6 @@
 /***********************************************************
-Copyright 1991, 1992 by Stichting Mathematisch Centrum, Amsterdam, The
-Netherlands.
+Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
+Amsterdam, The Netherlands.
 
                         All Rights Reserved
 
diff --git a/Modules/flmodule.c b/Modules/flmodule.c
index dca39ad..00cf12c 100644
--- a/Modules/flmodule.c
+++ b/Modules/flmodule.c
@@ -1,6 +1,6 @@
 /**********************************************************
-Copyright 1991, 1992 by Stichting Mathematisch Centrum, Amsterdam, The
-Netherlands.
+Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
+Amsterdam, The Netherlands.
 
                         All Rights Reserved
 
@@ -614,18 +614,12 @@
 	object *args;
 {
 	float f1, f2;
-	object *arg;
 	
 	if (!getnoarg(args)) return NULL;
 	
 	(*func) (obj, &f1, &f2);
-	
-	arg = newtupleobject (2);
-	if (arg == NULL) return NULL;
 
-	settupleitem (arg, 0, newfloatobject (f1));
-	settupleitem (arg, 1, newfloatobject (f2));
-	return arg;
+	return mkvalue("(ff)", f1, f2);
 }
 
 #ifdef UNUSED
@@ -966,20 +960,13 @@
 	object *args;
 {
 	int i0, i1, i2;
-	object *arg;
 
 	if (!getnoarg(args))
 		return NULL;
 
 	fl_get_clock (g->ob_generic, &i0, &i1, &i2);
 
-	arg = newtupleobject (3);
-	if (arg == NULL) return NULL;
-
-	settupleitem (arg, 0, newintobject (i0));
-	settupleitem (arg, 1, newintobject (i1));
-	settupleitem (arg, 2, newintobject (i2));
-	return arg;
+	return mkvalue("(iii)", i0, i1, i2);
 }
 
 static struct methodlist clock_methods[] = {
@@ -2064,11 +2051,9 @@
 			if (my_event_callback == NULL)
 				return newintobject(-1L);
 			dev = fl_qread(&val);
-			arg = newtupleobject(2);
+			arg = mkvalue("(ih)", dev, val);
 			if (arg == NULL)
 				return NULL;
-			settupleitem(arg, 0, newintobject((long)dev));
-			settupleitem(arg, 1, newintobject((long)val));
 			res = call_object(my_event_callback, arg);
 			XDECREF(res);
 			DECREF(arg);
@@ -2085,11 +2070,9 @@
 			INCREF(g);
 			return ((object *) g);
 		}
-		arg = newtupleobject(2);
-		INCREF(g);
-		settupleitem(arg, 0, (object *)g);
-		INCREF(g->ob_callback_arg);
-		settupleitem(arg, 1, g->ob_callback_arg);
+		arg = mkvalue("(OO)", (object *)g, g->ob_callback_arg);
+		if (arg == NULL)
+			return NULL;
 		res = call_object(g->ob_callback, arg);
 		XDECREF(res);
 		DECREF(arg);
@@ -2259,18 +2242,12 @@
 	object *self;
 	object *args;
 {
-	long retval;
-	short arg1;
+	int dev;
+	short val;
 	BGN_SAVE
-	retval = fl_qread(&arg1);
+	dev = fl_qread(&val);
 	END_SAVE
-	{
-		object *v = newtupleobject(2);
-		if (v == NULL) return NULL;
-		settupleitem(v, 0, newintobject(retval));
-		settupleitem(v, 1, newintobject((long)arg1));
-		return v;
-	}
+	return mkvalue("(ih)", dev, val);
 }
 
 static object *
@@ -2336,21 +2313,12 @@
 {
 	int arg;
 	short r, g, b;
-	object *v;
 
 	if (!getintarg(args, &arg)) return NULL;
 
 	fl_getmcolor(arg, &r, &g, &b);
 
-	v = newtupleobject(3);
-
-	if (v == NULL) return NULL;
-
-	settupleitem(v, 0, newintobject((long)r));
-	settupleitem(v, 1, newintobject((long)g));
-	settupleitem(v, 2, newintobject((long)b));
-
-	return v;
+	return mkvalue("(hhh)", r, g, b);
 }
 
 static object *
@@ -2358,21 +2326,13 @@
 	object *self;
 	object *args;
 {
-	float x, y ;
-	object *v;
+	float x, y;
 
 	if (!getnoarg(args)) return NULL;
 	
 	fl_get_mouse(&x, &y);
 
-	v = newtupleobject(2);
-
-	if (v == NULL) return NULL;
-
-	settupleitem(v, 0, newfloatobject(x));
-	settupleitem(v, 1, newfloatobject(y));
-
-	return v;
+	return mkvalue("(ff)", x, y);
 }
 
 static object *
diff --git a/Modules/fmmodule.c b/Modules/fmmodule.c
index f3df6ce..8d54d97 100644
--- a/Modules/fmmodule.c
+++ b/Modules/fmmodule.c
@@ -1,6 +1,6 @@
 /***********************************************************
-Copyright 1991, 1992 by Stichting Mathematisch Centrum, Amsterdam, The
-Netherlands.
+Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
+Amsterdam, The Netherlands.
 
                         All Rights Reserved
 
@@ -134,22 +134,15 @@
 		err_setstr(RuntimeError, "error in fmgetfontinfo");
 		return NULL;
 	}
-	v = newtupleobject(8);
-	if (v == NULL)
-		return NULL;
-#define SET(i, member) settupleitem(v, i, newintobject(info.member))
-	SET(0, printermatched);
-	SET(1, fixed_width);
-	SET(2, xorig);
-	SET(3, yorig);
-	SET(4, xsize);
-	SET(5, ysize);
-	SET(6, height);
-	SET(7, nglyphs);
-#undef SET
-	if (err_occurred())
-		return NULL;
-	return v;
+	return mkvalue("(llllllll)",
+		       info.printermatched,
+		       info.fixed_width,
+		       info.xorig,
+		       info.yorig,
+		       info.xsize,
+		       info.ysize,
+		       info.height,
+		       info.nglyphs);
 }
 
 #if 0
diff --git a/Modules/mathmodule.c b/Modules/mathmodule.c
index 00aa5eb..1521133 100644
--- a/Modules/mathmodule.c
+++ b/Modules/mathmodule.c
@@ -1,6 +1,6 @@
 /***********************************************************
-Copyright 1991, 1992 by Stichting Mathematisch Centrum, Amsterdam, The
-Netherlands.
+Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
+Amsterdam, The Netherlands.
 
                         All Rights Reserved
 
@@ -136,7 +136,6 @@
 	object *self;
 	object *args;
 {
-	object *v;
 	double x;
 	int i;
 	if (!getdoublearg(args, &x))
@@ -146,16 +145,7 @@
 	CHECK(x);
 	if (errno != 0)
 		return math_error();
-	v = newtupleobject(2);
-	if (v != NULL) {
-		settupleitem(v, 0, newfloatobject(x));
-		settupleitem(v, 1, newintobject((long)i));
-		if (err_occurred()) {
-			DECREF(v);
-			v = NULL;
-		}
-	}
-	return v;
+	return mkvalue("(di)", x, i);
 }
 
 static object *
@@ -181,7 +171,6 @@
 	object *self;
 	object *args;
 {
-	object *v;
 	double x, y;
 	if (!getdoublearg(args, &x))
 		return NULL;
@@ -190,16 +179,7 @@
 	CHECK(x);
 	if (errno != 0)
 		return math_error();
-	v = newtupleobject(2);
-	if (v != NULL) {
-		settupleitem(v, 0, newfloatobject(x));
-		settupleitem(v, 1, newfloatobject(y));
-		if (err_occurred()) {
-			DECREF(v);
-			v = NULL;
-		}
-	}
-	return v;
+	return mkvalue("(dd)", x, y);
 }
 
 static struct methodlist math_methods[] = {
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index a600115..4e84407 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -216,26 +216,17 @@
 	END_SAVE
 	if (res != 0)
 		return posix_error();
-	v = newtupleobject(10);
-	if (v == NULL)
-		return NULL;
-#define SET(i, st_member) settupleitem(v, i, newintobject((long)st.st_member))
-	SET(0, st_mode);
-	SET(1, st_ino);
-	SET(2, st_dev);
-	SET(3, st_nlink);
-	SET(4, st_uid);
-	SET(5, st_gid);
-	SET(6, st_size);
-	SET(7, st_atime);
-	SET(8, st_mtime);
-	SET(9, st_ctime);
-#undef SET
-	if (err_occurred()) {
-		DECREF(v);
-		return NULL;
-	}
-	return v;
+	v = mkvalue("(llllllllll)",
+		    (long)st.st_mode,
+		    (long)st.st_ino,
+		    (long)st.st_dev,
+		    (long)st.st_nlink,
+		    (long)st.st_uid,
+		    (long)st.st_gid,
+		    (long)st.st_size,
+		    (long)st.st_atime,
+		    (long)st.st_mtime,
+		    (long)st.st_ctime);
 }
 
 
@@ -477,21 +468,12 @@
 	END_SAVE
 	if (res < 0)
 		return posix_error();
-	v = newtupleobject(5);
-	if (v == NULL)
-		return NULL;
-#define SET(i, member) settupleitem(v, i, newstringobject(u.member))
-	SET(0, sysname);
-	SET(1, nodename);
-	SET(2, release);
-	SET(3, version);
-	SET(4, machine);
-#undef SET
-	if (err_occurred()) {
-		DECREF(v);
-		return NULL;
-	}
-	return v;
+	return mkvalue("(sssss)",
+		       u.sysname,
+		       u.nodename,
+		       u.release,
+		       u.version,
+		       u.machine);
 }
 #endif /* NO_UNAME */
 
diff --git a/Modules/pwdmodule.c b/Modules/pwdmodule.c
index 4d787ba..eb7a1cc 100644
--- a/Modules/pwdmodule.c
+++ b/Modules/pwdmodule.c
@@ -1,6 +1,6 @@
 /***********************************************************
-Copyright 1991, 1992 by Stichting Mathematisch Centrum, Amsterdam, The
-Netherlands.
+Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
+Amsterdam, The Netherlands.
 
                         All Rights Reserved
 
@@ -38,25 +38,14 @@
 static object *mkpwent(p)
 	struct passwd *p;
 {
-	object *v;
-	if ((v = newtupleobject(7)) == NULL)
-		return NULL;
-#define ISET(i, member) settupleitem(v, i, newintobject((long)p->member))
-#define SSET(i, member) settupleitem(v, i, newstringobject(p->member))
-	SSET(0, pw_name);
-	SSET(1, pw_passwd);
-	ISET(2, pw_uid);
-	ISET(3, pw_gid);
-	SSET(4, pw_gecos);
-	SSET(5, pw_dir);
-	SSET(6, pw_shell);
-#undef SSET
-#undef ISET
-	if (err_occurred()) {
-		DECREF(v);
-		return NULL;
-	}
-	return v;
+	return mkvalue("(ssllsss)",
+		       p->pw_name,
+		       p->pw_passwd,
+		       (long)p->pw_uid,
+		       (long)p->pw_gid,
+		       p->pw_gecos,
+		       p->pw_dir,
+		       p->pw_shell);
 }
 
 static object *pwd_getpwuid(self, args)
@@ -130,32 +119,24 @@
 {
 	object *v, *w;
 	char **member;
-	if ((v = newtupleobject(4)) == NULL)
-		return NULL;
-#define ISET(i, member) settupleitem(v, i, newintobject((long)p->member))
-#define SSET(i, member) settupleitem(v, i, newstringobject(p->member))
-	SSET(0, gr_name);
-	SSET(1, gr_passwd);
-	ISET(2, gr_gid);
-#undef SSET
-#undef ISET
-	if (err_occurred()) {
-		DECREF(v);
-		return NULL;
-	}
 	if ((w = newlistobject(0)) == NULL) {
 		DECREF(v);
 		return NULL;
 	}
-	(void) settupleitem(v, 3, w); /* Cannot fail; eats refcnt */
 	for (member = p->gr_mem; *member != NULL; member++) {
 		object *x = newstringobject(*member);
 		if (x == NULL || addlistitem(w, x) != 0) {
 			XDECREF(x);
-			DECREF(v);
+			DECREF(w);
 			return NULL;
 		}
 	}
+	v = mkvalue("(sslO)",
+		       p->gr_name,
+		       p->gr_passwd,
+		       (long)p->gr_gid,
+		       w);
+	DECREF(w);
 	return v;
 }
 
diff --git a/Modules/selectmodule.c b/Modules/selectmodule.c
index 99a9213..de80b82 100644
--- a/Modules/selectmodule.c
+++ b/Modules/selectmodule.c
@@ -1,6 +1,6 @@
 /***********************************************************
-Copyright 1991, 1992 by Stichting Mathematisch Centrum, Amsterdam, The
-Netherlands.
+Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
+Amsterdam, The Netherlands.
 
                         All Rights Reserved
 
diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index 2a0e291..0e20307 100644
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -1,6 +1,6 @@
 /***********************************************************
-Copyright 1991, 1992 by Stichting Mathematisch Centrum, Amsterdam, The
-Netherlands.
+Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
+Amsterdam, The Netherlands.
 
                         All Rights Reserved