diff --git a/c/c.go b/c/c.go
index 8d6a3ea..9cb38db 100644
--- a/c/c.go
+++ b/c/c.go
@@ -26,14 +26,9 @@ type (
 	Float   = float32
 	Double  = float64
 	Pointer = unsafe.Pointer
+	VaList  = Pointer
 	FilePtr = *FILE
-)
 
-type FILE struct {
-	Unused [8]byte
-}
-
-type (
 	Int  = int32
 	Uint = uint32
 
@@ -46,6 +41,10 @@ type (
 	UlongLong = uint64
 )
 
+type FILE struct {
+	Unused [0]byte
+}
+
 type integer interface {
 	~int | ~uint | ~uintptr | ~int32 | ~uint32 | ~int64 | ~uint64
 }
@@ -69,7 +68,24 @@ type Uint64T = uint64
 type IntmaxT = LongLong
 type UintmaxT = UlongLong
 
-type VaList = Pointer
+// -----------------------------------------------------------------------------
+
+type DivT struct {
+	Quot Int
+	Rem  Int
+}
+
+type LdivT struct {
+	Quot Long
+	Rem  Long
+}
+
+type LldivT struct {
+	Quot LongLong
+	Rem  LongLong
+}
+
+// -----------------------------------------------------------------------------
 
 //go:linkname Str llgo.cstr
 func Str(string) *Char
diff --git a/c/llcppg.pub b/c/llcppg.pub
index e97dbb1..66f8ef8 100644
--- a/c/llcppg.pub
+++ b/c/llcppg.pub
@@ -16,7 +16,10 @@ T uint32_t Uint32T
 T uint64_t Uint64T
 T intmax_t IntmaxT
 T uintmax_t UintmaxT
-T va_list VaList
+T div_t DivT
+T ldiv_t LdivT
+T lldiv_t LldivT
 T iconv_t IconvT
 T locale_t LocaleT
 T option Option
+T va_list VaList