Update C++ stubs for ctype.h/cctype and wctype.h/cwctype

Author: lcartey

cpp/common/test/includes/standard-library/cctype

@@ -1 +1,20 @@
-#include "ctype.h"
+#ifndef _GHLIBCPP_CCTYPE
+#define _GHLIBCPP_CCTYPE
+#include "ctype.h"
+namespace std {
+using ::isalnum;
+using ::isalpha;
+using ::isblank;
+using ::iscntrl;
+using ::isdigit;
+using ::isgraph;
+using ::islower;
+using ::isprint;
+using ::ispunct;
+using ::isspace;
+using ::isupper;
+using ::isxdigit;
+using ::tolower;
+using ::toupper;
+} // namespace std
+#endif // _GHLIBCPP_CCTYPE

cpp/common/test/includes/standard-library/ctype.h

@@ -1,8 +1,9 @@
 #ifndef _GHLIBCPP_CTYPE
 #define _GHLIBCPP_CTYPE
-namespace std {
+
 extern int isalnum(int);
 extern int isalpha(int);
+extern int isblank(int);
 extern int iscntrl(int);
 extern int isdigit(int);
 extern int islower(int);
@@ -14,5 +15,5 @@ extern int isupper(int);
 extern int isxdigit(int);
 extern int tolower(int);
 extern int toupper(int);
-} // namespace std
+
 #endif // _GHLIBCPP_CTYPE

cpp/common/test/includes/standard-library/cwctype

@@ -1,8 +1,38 @@
 #ifndef _GHLIBCPP_CWCTYPE
 #define _GHLIBCPP_CWCTYPE
+#include "wctype.h"
 
 namespace std {
+// Types
 using ::wint_t;
+using ::wctype_t;
+using ::wctrans_t;
+
+// Wide character classification functions
+using ::iswalnum;
+using ::iswalpha;
+using ::iswblank;
+using ::iswcntrl;
+using ::iswdigit;
+using ::iswgraph;
+using ::iswlower;
+using ::iswprint;
+using ::iswpunct;
+using ::iswspace;
+using ::iswupper;
+using ::iswxdigit;
+
+// Wide character conversion functions
+using ::towlower;
+using ::towupper;
+
+// Generic wide character classification functions
+using ::iswctype;
+using ::wctype;
+
+// Generic wide character mapping functions
+using ::towctrans;
+using ::wctrans;
 } // namespace std
 
 #endif // _GHLIBCPP_CWCTYPE

cpp/common/test/includes/standard-library/wctype.h

@@ -2,5 +2,33 @@
 #define _GHLIBCPP_WCTYPE
 
 typedef long wint_t;
+typedef long wctype_t;
+typedef long wctrans_t;
+
+// Wide character classification functions
+extern int iswalnum(wint_t wc);
+extern int iswalpha(wint_t wc);
+extern int iswblank(wint_t wc);
+extern int iswcntrl(wint_t wc);
+extern int iswdigit(wint_t wc);
+extern int iswgraph(wint_t wc);
+extern int iswlower(wint_t wc);
+extern int iswprint(wint_t wc);
+extern int iswpunct(wint_t wc);
+extern int iswspace(wint_t wc);
+extern int iswupper(wint_t wc);
+extern int iswxdigit(wint_t wc);
+
+// Wide character conversion functions
+extern wint_t towlower(wint_t wc);
+extern wint_t towupper(wint_t wc);
+
+// Generic wide character classification functions
+extern int iswctype(wint_t wc, wctype_t desc);
+extern wctype_t wctype(const char *property);
+
+// Generic wide character mapping functions
+extern wint_t towctrans(wint_t wc, wctrans_t desc);
+extern wctrans_t wctrans(const char *property);
 
 #endif // _GHLIBCPP_WCTYPE