diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index c380a28c4d16725286a9f62db7e6e2af46e17825..84cedb13e8f33c14a57f17be5be3cabaab3a074a 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,6 +1,7 @@
 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
diff --git a/src/unicode.c b/src/unicode.c
new file mode 100644
index 0000000000000000000000000000000000000000..17679492066f953f70fbdc09253846c37fde8bb2
--- /dev/null
+++ b/src/unicode.c
@@ -0,0 +1,96 @@
+/* 
+ * 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;
+}
+
+
diff --git a/src/unicode.h b/src/unicode.h
new file mode 100644
index 0000000000000000000000000000000000000000..d07bef9db82653727c47b455d23b6c0cd13107db
--- /dev/null
+++ b/src/unicode.h
@@ -0,0 +1,36 @@
+/* 
+ * 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