lib: add prototype module for unicode characters.

src/CMakeLists.txt

 set(SOURCES
     unittest.c
     utf8.c
+    unicode.c
     structures/single_linked_list.c
     structures/list.c
     structures/red_black_tree.c
@@ -14,6 +15,7 @@ set(HEADER
     unix_colors.h
     unittest.h
     utf8.h
+    unicode.h
     structures/structures.h
     structures/array.h
     structures/stack.h

src/unicode.c

+/* 
+ * Copyright (c) 2012 Christoph Mueller <ruunhb@googlemail.com>
+ * 
+ * Crystal is free software: you can redistribute it and/or modify
+ * it under the terms of the Lesser GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Crystal is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * Lesser GNU General Public License for more details.
+ *
+ * You should have received a copy of the Lesser GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "unicode.h"
+
+int             
+cry_unicode_isblank(unicode ch)
+{
+	return 0;
+}
+
+int             
+cry_unicode_isspace(unicode ch)
+{
+	return 0;
+}
+
+
+int             
+cry_unicode_isalpha(unicode ch)
+{
+	return 0;
+}
+
+
+int             
+cry_unicode_isalnum(unicode ch)
+{
+	return 0;
+}
+
+
+int             
+cry_unicode_isdigit(unicode ch)
+{
+	return 0;
+}
+
+
+int             
+cry_unicode_ishex(unicode ch)
+{
+	return 0;
+}
+
+
+int             
+cry_unicode_isoct(unicode ch)
+{
+	return 0;
+}
+
+
+int             
+cry_unicode_isprint(unicode ch)
+{
+	return 0;
+}
+
+
+int             
+cry_unicode_isgraph(unicode ch)
+{
+	return 0;
+}
+
+
+int             
+cry_unicode_ispunct(unicode ch)
+{
+	return 0;
+}
+
+
+int             
+cry_unicode_isctrl(unicode ch)
+{
+	return 0;
+}
+
+

src/unicode.h

+/* 
+ * Copyright (c) 2012 Christoph Mueller <ruunhb@googlemail.com>
+ * 
+ * Crystal is free software: you can redistribute it and/or modify
+ * it under the terms of the Lesser GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Crystal is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * Lesser GNU General Public License for more details.
+ *
+ * You should have received a copy of the Lesser GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef CRYSTAL_UNICODE_H
+#define CRYSTAL_UNICODE_H
+
+#include "standard.h"
+
+int             cry_unicode_isblank(unicode ch);
+int             cry_unicode_isspace(unicode ch);
+int             cry_unicode_isalpha(unicode ch);
+int             cry_unicode_isalnum(unicode ch);
+int             cry_unicode_isdigit(unicode ch);
+int             cry_unicode_ishex(unicode ch);
+int             cry_unicode_isoct(unicode ch);
+int             cry_unicode_isprint(unicode ch);
+int             cry_unicode_isgraph(unicode ch);
+int             cry_unicode_ispunct(unicode ch);
+int             cry_unicode_isctrl(unicode ch);
+
+#endif // CRYSTAL_UNICODE_H