--- gforth/prim	2005/07/31 20:27:41	1.173
+++ gforth/prim	2005/09/27 13:50:43	1.177
@@ -417,12 +417,11 @@ INST_TAIL;
 JUMP(a_target);
 #else
 SET_IP((Xt *)a_target);
-  INST_TAIL; NEXT_P2;
 #endif
-}
+} else {
 sp--;
 sp[0]=f;
-SUPER_CONTINUE;
+}
 
 ?dup-0=-?branch ( #a_target f -- S:... ) new	question_dupe_zero_equals_question_branch
 ""The run-time procedure compiled by @code{?DUP-0=-IF}.""
@@ -433,10 +432,8 @@ if (f!=0) {
   JUMP(a_target);
 #else
   SET_IP((Xt *)a_target);
-  NEXT;
 #endif
 }
-SUPER_CONTINUE;
 
 \+
 \fhas? skiploopprims 0= [IF]
@@ -1648,7 +1645,7 @@ n = key((FILE*)wfileid);
 n = key(stdin);
 #endif
 
-key?-file	( wfileid -- n )		facility	key_q_file
+key?-file	( wfileid -- n )	        gforth	key_q_file
 #ifdef HAS_FILE
 fflush(stdout);
 n = key_query((FILE*)wfileid);
@@ -2005,6 +2002,9 @@ dsystem = DZERO;
 comparisons(f, r1 r2, f_, r1, r2, gforth, gforth, float, gforth)
 comparisons(f0, r, f_zero_, r, 0., float, gforth, float, gforth)
 
+s>f	( n -- r )		float	s_to_f
+r = n;
+
 d>f	( d -- r )		float	d_to_f
 #ifdef BUGGY_LL_D2F
 extern double ldexp(double x, int exp);
@@ -2025,6 +2025,9 @@ f>d	( r -- d )		float	f_to_d
 extern DCell double2ll(Float r);
 d = double2ll(r);
 
+f>s	( r -- n )		float	f_to_s
+n = (Cell)r;
+
 f!	( r f_addr -- )	float	f_store
 ""Store @i{r} into the float at address @i{f-addr}.""
 *f_addr = r;
@@ -2083,6 +2086,18 @@ f**	( r1 r2 -- r3 )	float-ext	f_star_sta
 ""@i{r3} is @i{r1} raised to the @i{r2}th power.""
 r3 = pow(r1,r2);
 
+fm*	( r1 n -- r2 )	gforth	fm_star
+r2 = r1*n;
+
+fm/	( r1 n -- r2 )	gforth	fm_slash
+r2 = r1/n;
+
+fm*/	( r1 n1 n2 -- r2 )	gforth	fm_star_slash
+r2 = (r1*n1)/n2;
+
+f**2	( r1 -- r2 )	gforth	fm_square
+r2 = r1*r1;
+
 fnegate	( r1 -- r2 )	float	f_negate
 r2 = - r1;
 
@@ -2602,6 +2617,89 @@ return 0;
 
 \+
 
+\+LIBFFI
+
+ffi-type ( n -- a_type )	gforth ffi_type
+static void* ffi_types[] =
+    { &ffi_type_void,
+      &ffi_type_uint8, &ffi_type_sint8,
+      &ffi_type_uint16, &ffi_type_sint16,
+      &ffi_type_uint32, &ffi_type_sint32,
+      &ffi_type_uint64, &ffi_type_sint64,
+      &ffi_type_float, &ffi_type_double, &ffi_type_longdouble,
+      &ffi_type_pointer };
+a_type = ffi_types[n];
+
+ffi-size ( n1 -- n2 )	gforth ffi_size
+static int ffi_sizes[] =
+    { sizeof(ffi_cif), sizeof(ffi_closure) };
+n2 = ffi_sizes[n1];
+
+ffi-prep-cif ( a_atypes n a_rtype a_cif -- w )	gforth ffi_prep_cif
+w = ffi_prep_cif(a_cif, FFI_DEFAULT_ABI, n, a_rtype, a_atypes);
+
+ffi-call ( a_avalues a_rvalue a_ip a_cif -- )	gforth ffi_call
+ffi_call(a_cif, a_ip, a_rvalue, a_avalues);
+
+ffi-prep-closure ( a_ip a_cif a_closure -- w )	gforth ffi_prep_closure
+w = ffi_prep_closure(a_closure, a_cif, ffi_callback, a_ip);
+
+ffi-2@ ( a_addr -- d )	gforth ffi_2fetch
+#ifdef BUGGY_LONG_LONG
+DLO_IS(d, (Cell*)(*a_addr));
+DHI_IS(d, 0);
+#else
+d = *(DCell*)(*a_addr);
+#endif
+
+ffi-2! ( d a_addr -- )	gforth ffi_2store
+#ifdef BUGGY_LONG_LONG
+*(Cell*)(a_addr) = DLO(d);
+#else
+*(DCell*)(a_addr) = d;
+#endif
+
+ffi-arg-int ( -- w )	gforth ffi_arg_int
+w = *(Cell*)(*clist++);
+
+ffi-arg-longlong ( -- d )	gforth ffi_arg_longlong
+#ifdef BUGGY_LONG_LONG
+DLO_IS(d, (Cell*)(*clist++));
+DHI_IS(d, 0);
+#else
+d = *(DCell*)(*clist++);
+#endif
+
+ffi-arg-ptr ( -- c_addr )	gforth ffi_arg_ptr
+c_addr = *(char **)(*clist++);
+
+ffi-arg-float ( -- r )	gforth ffi_arg_float
+r = *(float*)(*clist++);
+
+ffi-arg-double ( -- r )	gforth ffi_arg_double
+r = *(double*)(*clist++);
+
+ffi-ret-int ( -- w )	gforth ffi_ret_int
+*(int*)(ritem) = w;
+
+ffi-ret-longlong ( -- d )	gforth ffi_ret_longlong
+#ifdef BUGGY_LONG_LONG
+*(Cell*)(ritem) = DLO(d);
+#else
+*(DCell*)(ritem) = d;
+#endif
+
+ffi-ret-ptr ( -- c_addr )	gforth ffi_ret_ptr
+*(char **)(ritem) = c_addr;
+
+ffi-ret-float ( -- r )	gforth ffi_ret_float
+*(float*)(ritem) = r;
+
+ffi-ret-double ( -- r )	gforth ffi_ret_double
+*(double*)(ritem) = r;
+
+\+
+
 \+OLDCALL
 
 define(`uploop',