diff --git a/cl/blockctx.go b/cl/blockctx.go
index 9319b51..2b3fc0e 100644
--- a/cl/blockctx.go
+++ b/cl/blockctx.go
@@ -502,27 +502,27 @@ func (p *bfType) String() string {
 }
 
 /*
-func (p *blockCtx) initCTypes() {
-	pkg := p.pkg.Types
-	scope := pkg.Scope()
-	p.tyI128 = ctypes.NotImpl
-	p.tyU128 = ctypes.NotImpl
-	c := p.pkg.Import("github.com/goplus/c2go/clang")
-
-	aliasType(scope, pkg, "__int128", p.tyI128)
-	aliasType(scope, pkg, "void", ctypes.Void)
-
-	aliasCType(scope, pkg, "char", c, "Char")
-	aliasCType(scope, pkg, "float", c, "Float")
-	aliasCType(scope, pkg, "double", c, "Double")
-	aliasCType(scope, pkg, "_Bool", c, "Bool")
-
-	decl_builtin(p)
-}
+	func (p *blockCtx) initCTypes() {
+		pkg := p.pkg.Types
+		scope := pkg.Scope()
+		p.tyI128 = ctypes.NotImpl
+		p.tyU128 = ctypes.NotImpl
+		c := p.pkg.Import("github.com/goplus/c2go/clang")
+
+		aliasType(scope, pkg, "__int128", p.tyI128)
+		aliasType(scope, pkg, "void", ctypes.Void)
+
+		aliasCType(scope, pkg, "char", c, "Char")
+		aliasCType(scope, pkg, "float", c, "Float")
+		aliasCType(scope, pkg, "double", c, "Double")
+		aliasCType(scope, pkg, "_Bool", c, "Bool")
+
+		decl_builtin(p)
+	}
 
-func aliasCType(scope *types.Scope, pkg *types.Package, name string, c *gox.PkgRef, cname string) {
-	aliasType(scope, pkg, name, c.Ref(cname).Type())
-}
+	func aliasCType(scope *types.Scope, pkg *types.Package, name string, c *gox.PkgRef, cname string) {
+		aliasType(scope, pkg, name, c.Ref(cname).Type())
+	}
 */
 func (p *blockCtx) initCTypes() {
 	pkg := p.pkg.Types
@@ -531,6 +531,9 @@ func (p *blockCtx) initCTypes() {
 	p.tyU128 = ctypes.NotImpl
 
 	aliasType(scope, pkg, "__int128", p.tyI128)
+	aliasType(scope, pkg, "__int128_t", p.tyI128)
+	aliasType(scope, pkg, "__uint128_t", p.tyU128)
+
 	aliasType(scope, pkg, "void", ctypes.Void)
 
 	aliasType(scope, pkg, "char", types.Typ[types.Int8])
diff --git a/cl/compile.go b/cl/compile.go
index 63ad1e4..be9c09c 100644
--- a/cl/compile.go
+++ b/cl/compile.go
@@ -217,7 +217,7 @@ func NewPackage(pkgPath, pkgName string, file *ast.Node, conf *Config) (pkg Pack
 		pkg.Package = gox.NewPackage(pkgPath, pkgName, confGox)
 		interp.fset = pkg.Fset
 	}
-	pkg.SetVarRedeclarable(true)
+	pkg.SetRedeclarable(true)
 	pkg.pi, err = loadFile(pkg.Package, conf, file)
 	return
 }
@@ -402,7 +402,7 @@ func compileFunc(ctx *blockCtx, fn *ast.Node) {
 			ast.AlwaysInlineAttr, ast.WarnUnusedResultAttr, ast.NoThrowAttr, ast.NoInlineAttr, ast.AllocSizeAttr,
 			ast.NonNullAttr, ast.ConstAttr, ast.PureAttr, ast.GNUInlineAttr, ast.ReturnsTwiceAttr, ast.NoSanitizeAttr,
 			ast.RestrictAttr, ast.MSAllocatorAttr, ast.VisibilityAttr, ast.C11NoReturnAttr, ast.StrictFPAttr,
-			ast.AllocAlignAttr, ast.DisableTailCallsAttr:
+			ast.AllocAlignAttr, ast.DisableTailCallsAttr, ast.FormatArgAttr:
 		default:
 			log.Panicln("compileFunc: unknown kind =", item.Kind)
 		}
@@ -436,7 +436,7 @@ func compileFunc(ctx *blockCtx, fn *ast.Node) {
 		}
 		if rewritten { // for fnName is a recursive function
 			scope := pkg.Types.Scope()
-			substObj(pkg.Types, scope, origName, f.Func)
+			substObj(pkg.Types, scope, origName, f.Obj())
 			rewritten = false
 		}
 		cb := f.BodyStart(pkg)
@@ -468,7 +468,7 @@ func compileFunc(ctx *blockCtx, fn *ast.Node) {
 					cb.Val(pkg.Import("os").Ref("Exit")).Typ(types.Typ[types.Int])
 				}
 			}
-			cb.Val(f.Func)
+			cb.Val(f.Obj())
 			if params != nil {
 				panic("TODO: main func with params")
 			}
diff --git a/cl/multifiles.go b/cl/multifiles.go
index 04ba779..b6c6b7c 100644
--- a/cl/multifiles.go
+++ b/cl/multifiles.go
@@ -145,7 +145,6 @@ func (p *blockCtx) logFile(node *ast.Node) {
 			}
 		}
 	}
-	return
 }
 
 func (p *blockCtx) checkExists(name string) (exist bool) {
diff --git a/cl/stmtchk.go b/cl/stmtchk.go
index 52934d2..6b42e10 100644
--- a/cl/stmtchk.go
+++ b/cl/stmtchk.go
@@ -42,12 +42,14 @@ func (at *blockMarkCtx) markComplicated(ctx *markCtx, ref *blockMarkCtx) {
 	}
 }
 
+/*
 func (at *blockMarkCtx) getName() string {
 	if at != nil {
 		return at.name
 	}
 	return "funcBody"
 }
+*/
 
 func (at *blockMarkCtx) depth() (n int) {
 	for at != nil {
@@ -265,7 +267,6 @@ func (p *markCtx) markSwitch(ctx *blockCtx, switchStmt *ast.Node) {
 			p.mark(ctx, caseBody)
 		}
 	}
-	return
 }
 
 func (p *markCtx) markEnd() {
diff --git a/cl/type_and_var.go b/cl/type_and_var.go
index bf6a009..04204a0 100644
--- a/cl/type_and_var.go
+++ b/cl/type_and_var.go
@@ -597,9 +597,11 @@ func isNumber(typ types.Type) bool {
 	return isKind(typ, types.IsInteger|types.IsFloat)
 }
 
+/*
 func isUnsigned(typ types.Type) bool {
 	return isKind(typ, types.IsUnsigned)
 }
+*/
 
 func isInteger(typ types.Type) bool {
 	return isKind(typ, types.IsInteger)
diff --git a/clang/ast/ast.go b/clang/ast/ast.go
index b67b839..1306047 100644
--- a/clang/ast/ast.go
+++ b/clang/ast/ast.go
@@ -60,6 +60,7 @@ const (
 	DeprecatedAttr           Kind = "DeprecatedAttr"
 	BuiltinAttr              Kind = "BuiltinAttr"
 	FormatAttr               Kind = "FormatAttr"
+	FormatArgAttr            Kind = "FormatArgAttr"
 	ColdAttr                 Kind = "ColdAttr"
 	ConstAttr                Kind = "ConstAttr"
 	PureAttr                 Kind = "PureAttr"
diff --git a/go.mod b/go.mod
index a20a3a5..ac48bf6 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/goplus/c2go
 go 1.16
 
 require (
-	github.com/goplus/gox v1.11.38
+	github.com/goplus/gox v1.12.0
 	github.com/goplus/mod v0.11.5
 	github.com/json-iterator/go v1.1.12
 	github.com/qiniu/x v1.13.0
diff --git a/go.sum b/go.sum
index 7022dab..6318c61 100644
--- a/go.sum
+++ b/go.sum
@@ -2,8 +2,8 @@ github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
-github.com/goplus/gox v1.11.38 h1:znqKvaIOx/zpVBPpF5NNFO+DuQ/8UpvO0hIqFb45SlY=
-github.com/goplus/gox v1.11.38/go.mod h1:QQfPGKVmtAzat6fDYE4V4PFo/v95zvrwB9M60tbqdMM=
+github.com/goplus/gox v1.12.0 h1:VkQrIhVaKTYARQUUN+Q0+k8DtOXQqOvC6zaZP8wyG5E=
+github.com/goplus/gox v1.12.0/go.mod h1:Ek4bXv4xzfBiFuHC6yfkzHXrhUHXfrM9QyXtMusdkGo=
 github.com/goplus/mod v0.11.5 h1:3zcWlkLq/adU+y8GynZRMjSE50DfbnILdkRnToDaq24=
 github.com/goplus/mod v0.11.5/go.mod h1:NDC5E+XOT8vcJCMjqKhLDJHTHX7lyVN4Vbfi2U7dBhs=
 github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=