diff --git a/arch/arm/bits/alltypes.h.sh b/arch/arm/bits/alltypes.h.sh
index 274de0df7d9dcece1ea2a192519f8dc59b3536b2..a531ee0f480be4bff07eeca4592d457a00b8beab 100755
--- a/arch/arm/bits/alltypes.h.sh
+++ b/arch/arm/bits/alltypes.h.sh
@@ -26,8 +26,8 @@ TYPEDEF __builtin_va_list va_list;
 TYPEDEF unsigned wchar_t;
 #endif
 TYPEDEF int wint_t;
-TYPEDEF long wctrans_t;
-TYPEDEF long wctype_t;
+TYPEDEF const int * wctrans_t;
+TYPEDEF unsigned long wctype_t;
 
 TYPEDEF signed char int8_t;
 TYPEDEF short       int16_t;
diff --git a/arch/i386/bits/alltypes.h.sh b/arch/i386/bits/alltypes.h.sh
index 10fcf6a3c46a852d86e287e3ce7918fb2226737a..13def835b6c04ec45cc11e17899b9280276dc171 100755
--- a/arch/i386/bits/alltypes.h.sh
+++ b/arch/i386/bits/alltypes.h.sh
@@ -34,8 +34,8 @@ TYPEDEF long wchar_t;
 #endif
 #endif
 TYPEDEF long wint_t;
-TYPEDEF long wctrans_t;
-TYPEDEF long wctype_t;
+TYPEDEF const int * wctrans_t;
+TYPEDEF unsigned long wctype_t;
 
 TYPEDEF signed char int8_t;
 TYPEDEF short       int16_t;
diff --git a/arch/microblaze/bits/alltypes.h.sh b/arch/microblaze/bits/alltypes.h.sh
index c909bc37dfb31a8168aeff701ffa70e0a3aa7ef5..2397c6cdc95dc1c612b8b30b4181960aa5513e36 100755
--- a/arch/microblaze/bits/alltypes.h.sh
+++ b/arch/microblaze/bits/alltypes.h.sh
@@ -26,8 +26,8 @@ TYPEDEF __builtin_va_list va_list;
 TYPEDEF int wchar_t;
 #endif
 TYPEDEF int wint_t;
-TYPEDEF long wctrans_t;
-TYPEDEF long wctype_t;
+TYPEDEF const int * wctrans_t;
+TYPEDEF unsigned long wctype_t;
 
 TYPEDEF signed char int8_t;
 TYPEDEF short       int16_t;
diff --git a/arch/mips/bits/alltypes.h.sh b/arch/mips/bits/alltypes.h.sh
index c909bc37dfb31a8168aeff701ffa70e0a3aa7ef5..2397c6cdc95dc1c612b8b30b4181960aa5513e36 100755
--- a/arch/mips/bits/alltypes.h.sh
+++ b/arch/mips/bits/alltypes.h.sh
@@ -26,8 +26,8 @@ TYPEDEF __builtin_va_list va_list;
 TYPEDEF int wchar_t;
 #endif
 TYPEDEF int wint_t;
-TYPEDEF long wctrans_t;
-TYPEDEF long wctype_t;
+TYPEDEF const int * wctrans_t;
+TYPEDEF unsigned long wctype_t;
 
 TYPEDEF signed char int8_t;
 TYPEDEF short       int16_t;
diff --git a/arch/powerpc/bits/alltypes.h.sh b/arch/powerpc/bits/alltypes.h.sh
index befad081733bc4283aa3dfcf8742f043f38c2633..f3dac12a69574c36d601eebfb3dc7cad213abfd7 100755
--- a/arch/powerpc/bits/alltypes.h.sh
+++ b/arch/powerpc/bits/alltypes.h.sh
@@ -26,8 +26,8 @@ TYPEDEF __builtin_va_list va_list;
 TYPEDEF long wchar_t;
 #endif
 TYPEDEF int wint_t;
-TYPEDEF long wctrans_t;
-TYPEDEF long wctype_t;
+TYPEDEF const int * wctrans_t;
+TYPEDEF unsigned long wctype_t;
 
 TYPEDEF signed char int8_t;
 TYPEDEF short       int16_t;
diff --git a/arch/x86_64/bits/alltypes.h.sh b/arch/x86_64/bits/alltypes.h.sh
index 083ea2300c033ac87b5ddc1f0cb66cc7f0b914d3..bc9a3cc0139c809f8e24165ffd846cbd436eaa03 100755
--- a/arch/x86_64/bits/alltypes.h.sh
+++ b/arch/x86_64/bits/alltypes.h.sh
@@ -25,8 +25,8 @@ TYPEDEF __builtin_va_list va_list;
 TYPEDEF int wchar_t;
 #endif
 TYPEDEF int wint_t;
-TYPEDEF int wctrans_t;
-TYPEDEF int wctype_t;
+TYPEDEF const int * wctrans_t;
+TYPEDEF unsigned long wctype_t;
 
 TYPEDEF signed char int8_t;
 TYPEDEF short       int16_t;
diff --git a/src/ctype/wctrans.c b/src/ctype/wctrans.c
index 03e9fd6ab6b291b197ff0a2faaba5434007e7511..739869d059e4aec9b2f805cdc95d5c703dd711ca 100644
--- a/src/ctype/wctrans.c
+++ b/src/ctype/wctrans.c
@@ -3,14 +3,14 @@
 
 wctrans_t wctrans(const char *class)
 {
-	if (!strcmp(class, "toupper")) return 1;
-	if (!strcmp(class, "tolower")) return 2;
+	if (!strcmp(class, "toupper")) return (wctrans_t)1;
+	if (!strcmp(class, "tolower")) return (wctrans_t)2;
 	return 0;
 }
 
 wint_t towctrans(wint_t wc, wctrans_t trans)
 {
-	if (trans == 1) return towupper(wc);
-	if (trans == 2) return towlower(wc);
+	if (trans == (wctrans_t)1) return towupper(wc);
+	if (trans == (wctrans_t)2) return towlower(wc);
 	return wc;
 }