diff --git a/runtime/internal/clite/ffi/ffi.go b/runtime/internal/clite/ffi/ffi.go
index 91eb751b..422fa26e 100644
--- a/runtime/internal/clite/ffi/ffi.go
+++ b/runtime/internal/clite/ffi/ffi.go
@@ -6,11 +6,6 @@ import (
 	c "github.com/goplus/llgo/runtime/internal/clite"
 )
 
-const (
-	LLGoPackage = "link: $(pkg-config --libs libffi); -lffi"
-	LLGoFiles   = "$(pkg-config --cflags libffi): _wrap/libffi.c"
-)
-
 const (
 	Void = iota
 	Int
@@ -67,62 +62,9 @@ type Cif struct {
 	//Extra    c.Uint
 }
 
-/*
-ffi_status
-ffi_prep_cif(ffi_cif *cif,
-			ffi_abi abi,
-			unsigned int nargs,
-			ffi_type *rtype,
-			ffi_type **atypes);
-*/
-//go:linkname PrepCif C.ffi_prep_cif
-func PrepCif(cif *Cif, abi c.Uint, nargs c.Uint, rtype *Type, atype **Type) c.Uint
-
-/*
-ffi_status ffi_prep_cif_var(ffi_cif *cif,
-			    ffi_abi abi,
-			    unsigned int nfixedargs,
-			    unsigned int ntotalargs,
-			    ffi_type *rtype,
-			    ffi_type **atypes);
-*/
-//go:linkname PrepCifVar C.ffi_prep_cif_var
-func PrepCifVar(cif *Cif, abi c.Uint, nfixedargs c.Uint, ntotalargs c.Uint, rtype *Type, atype **Type) c.Uint
-
-/*
-void ffi_call(ffi_cif *cif,
-			void (*fn)(void),
-			void *rvalue,
-			void **avalue);
-*/
-//go:linkname Call C.ffi_call
-func Call(cif *Cif, fn unsafe.Pointer, rvalue unsafe.Pointer, avalue *unsafe.Pointer)
-
-// void *ffi_closure_alloc (size_t size, void **code);
-//
-//go:linkname ClosureAlloc C.llog_ffi_closure_alloc
-func ClosureAlloc(code *unsafe.Pointer) unsafe.Pointer
-
-// void ffi_closure_free (void *);
-//
-//go:linkname ClosureFree C.ffi_closure_free
-func ClosureFree(unsafe.Pointer)
-
-/*
-ffi_status
-ffi_prep_closure_loc (ffi_closure*,
-      ffi_cif *,
-      void (*fun)(ffi_cif*,void*,void**,void*),
-      void *user_data,
-      void *codeloc);
-*/
-
 //llgo:type C
 type ClosureFunc func(cif *Cif, ret unsafe.Pointer, args *unsafe.Pointer, userdata unsafe.Pointer)
 
-//go:linkname PreClosureLoc C.ffi_prep_closure_loc
-func PreClosureLoc(closure unsafe.Pointer, cif *Cif, fn ClosureFunc, userdata unsafe.Pointer, codeloc unsafe.Pointer) c.Uint
-
 func add(ptr unsafe.Pointer, offset uintptr) unsafe.Pointer {
 	return unsafe.Pointer(uintptr(ptr) + offset)
 }
diff --git a/runtime/internal/clite/ffi/ffi_other.go b/runtime/internal/clite/ffi/ffi_other.go
new file mode 100644
index 00000000..6953dfdc
--- /dev/null
+++ b/runtime/internal/clite/ffi/ffi_other.go
@@ -0,0 +1,67 @@
+//go:build !wasm
+
+package ffi
+
+import (
+	"unsafe"
+
+	c "github.com/goplus/llgo/runtime/internal/clite"
+)
+
+const (
+	LLGoPackage = "link: $(pkg-config --libs libffi); -lffi"
+	LLGoFiles   = "$(pkg-config --cflags libffi): _wrap/libffi.c"
+)
+
+/*
+ffi_status
+ffi_prep_cif(ffi_cif *cif,
+			ffi_abi abi,
+			unsigned int nargs,
+			ffi_type *rtype,
+			ffi_type **atypes);
+*/
+//go:linkname PrepCif C.ffi_prep_cif
+func PrepCif(cif *Cif, abi c.Uint, nargs c.Uint, rtype *Type, atype **Type) c.Uint
+
+/*
+ffi_status ffi_prep_cif_var(ffi_cif *cif,
+			    ffi_abi abi,
+			    unsigned int nfixedargs,
+			    unsigned int ntotalargs,
+			    ffi_type *rtype,
+			    ffi_type **atypes);
+*/
+//go:linkname PrepCifVar C.ffi_prep_cif_var
+func PrepCifVar(cif *Cif, abi c.Uint, nfixedargs c.Uint, ntotalargs c.Uint, rtype *Type, atype **Type) c.Uint
+
+/*
+void ffi_call(ffi_cif *cif,
+			void (*fn)(void),
+			void *rvalue,
+			void **avalue);
+*/
+//go:linkname Call C.ffi_call
+func Call(cif *Cif, fn unsafe.Pointer, rvalue unsafe.Pointer, avalue *unsafe.Pointer)
+
+// void *ffi_closure_alloc (size_t size, void **code);
+//
+//go:linkname ClosureAlloc C.llog_ffi_closure_alloc
+func ClosureAlloc(code *unsafe.Pointer) unsafe.Pointer
+
+// void ffi_closure_free (void *);
+//
+//go:linkname ClosureFree C.ffi_closure_free
+func ClosureFree(unsafe.Pointer)
+
+/*
+ffi_status
+ffi_prep_closure_loc (ffi_closure*,
+      ffi_cif *,
+      void (*fun)(ffi_cif*,void*,void**,void*),
+      void *user_data,
+      void *codeloc);
+*/
+
+//go:linkname PreClosureLoc C.ffi_prep_closure_loc
+func PreClosureLoc(closure unsafe.Pointer, cif *Cif, fn ClosureFunc, userdata unsafe.Pointer, codeloc unsafe.Pointer) c.Uint
diff --git a/runtime/internal/clite/ffi/ffi_wasm.go b/runtime/internal/clite/ffi/ffi_wasm.go
new file mode 100644
index 00000000..70531d98
--- /dev/null
+++ b/runtime/internal/clite/ffi/ffi_wasm.go
@@ -0,0 +1,31 @@
+package ffi
+
+import (
+	"unsafe"
+
+	c "github.com/goplus/llgo/runtime/internal/clite"
+)
+
+func PrepCif(cif *Cif, abi c.Uint, nargs c.Uint, rtype *Type, atype **Type) c.Uint {
+	panic("not implemented")
+}
+
+func PrepCifVar(cif *Cif, abi c.Uint, nfixedargs c.Uint, ntotalargs c.Uint, rtype *Type, atype **Type) c.Uint {
+	panic("not implemented")
+}
+
+func Call(cif *Cif, fn unsafe.Pointer, rvalue unsafe.Pointer, avalue *unsafe.Pointer) {
+	panic("not implemented")
+}
+
+func ClosureAlloc(code *unsafe.Pointer) unsafe.Pointer {
+	panic("not implemented")
+}
+
+func ClosureFree(unsafe.Pointer) {
+	panic("not implemented")
+}
+
+func PreClosureLoc(closure unsafe.Pointer, cif *Cif, fn ClosureFunc, userdata unsafe.Pointer, codeloc unsafe.Pointer) c.Uint {
+	panic("not implemented")
+}