msvcrt: Add __iswcsymf implementation.

dlls/msvcr100/msvcr100.spec

@@ -599,7 +599,7 @@
 @ cdecl __iscsym(long)
 @ cdecl __iscsymf(long)
 @ cdecl __iswcsym(long)
-@ stub __iswcsymf
+@ cdecl __iswcsymf(long)
 # extern __lconv
 @ cdecl __lconv_init()
 @ cdecl -arch=i386 -norelay __libm_sse2_acos()

dlls/msvcr110/msvcr110.spec

@@ -947,7 +947,7 @@
 @ cdecl __iscsym(long)
 @ cdecl __iscsymf(long)
 @ cdecl __iswcsym(long)
-@ stub __iswcsymf
+@ cdecl __iswcsymf(long)
 @ stdcall -arch=arm __jump_unwind(ptr ptr) ntdll.__jump_unwind
 # extern __lconv
 @ cdecl __lconv_init()

dlls/msvcr120/msvcr120.spec

@@ -938,7 +938,7 @@
 @ cdecl __iscsym(long)
 @ cdecl __iscsymf(long)
 @ cdecl __iswcsym(long)
-@ stub __iswcsymf
+@ cdecl __iswcsymf(long)
 @ stdcall -arch=arm __jump_unwind(ptr ptr) ntdll.__jump_unwind
 # extern __lconv
 @ cdecl __lconv_init()

dlls/msvcr120_app/msvcr120_app.spec

@@ -915,7 +915,7 @@
 @ cdecl __iscsym(long) msvcr120.__iscsym
 @ cdecl __iscsymf(long) msvcr120.__iscsymf
 @ cdecl __iswcsym(long) msvcr120.__iswcsym
-@ stub __iswcsymf
+@ cdecl __iswcsymf(long) msvcr120.__iswcsymf
 @ stdcall -arch=arm __jump_unwind(ptr ptr) msvcr120.__jump_unwind
 # extern __lconv
 @ cdecl __lconv_init() msvcr120.__lconv_init

dlls/msvcr80/msvcr80.spec

@@ -238,7 +238,7 @@
 @ cdecl __iscsym(long)
 @ cdecl __iscsymf(long)
 @ cdecl __iswcsym(long)
-@ stub __iswcsymf
+@ cdecl __iswcsymf(long)
 # extern __lc_clike
 @ extern __lc_codepage MSVCRT___lc_codepage
 @ extern __lc_collate_cp MSVCRT___lc_collate_cp

dlls/msvcr90/msvcr90.spec

@@ -227,7 +227,7 @@
 @ cdecl __iscsym(long)
 @ cdecl __iscsymf(long)
 @ cdecl __iswcsym(long)
-@ stub __iswcsymf
+@ cdecl __iswcsymf(long)
 # extern __lc_clike
 @ extern __lc_codepage MSVCRT___lc_codepage
 @ extern __lc_collate_cp MSVCRT___lc_collate_cp

dlls/msvcrt/ctype.c

@@ -461,6 +461,14 @@ int CDECL __iswcsym(wint_t c)
 }
 
 /*********************************************************************
+ *		__iswcsymf (MSVCRT.@)
+ */
+int CDECL __iswcsymf(wint_t c)
+{
+  return (iswalpha(c) || c == '_');
+}
+
+/*********************************************************************
  *		_toupper_l (MSVCRT.@)
  */
 int CDECL _toupper_l(int c, _locale_t locale)

dlls/ucrtbase/ucrtbase.spec

@@ -100,7 +100,7 @@
 @ cdecl __iscsym(long)
 @ cdecl __iscsymf(long)
 @ cdecl __iswcsym(long)
-@ stub __iswcsymf
+@ cdecl __iswcsymf(long)
 @ stdcall -arch=arm __jump_unwind(ptr ptr) ntdll.__jump_unwind
 @ cdecl -arch=i386 -norelay __libm_sse2_acos()
 @ cdecl -arch=i386 -norelay __libm_sse2_acosf()