Playing around with some documentations schemes

include/mruby.h

 /*
-** mruby - An embeddable Ruby implementation
-**
-** Copyright (c) mruby developers 2010-2015
-**
-** Permission is hereby granted, free of charge, to any person obtaining
-** a copy of this software and associated documentation files (the
-** "Software"), to deal in the Software without restriction, including
-** without limitation the rights to use, copy, modify, merge, publish,
-** distribute, sublicense, and/or sell copies of the Software, and to
-** permit persons to whom the Software is furnished to do so, subject to
-** the following conditions:
-**
-** The above copyright notice and this permission notice shall be
-** included in all copies or substantial portions of the Software.
-**
-** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
-** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
-** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
-** SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-**
-** [ MIT license: http://www.opensource.org/licenses/mit-license.php ]
+ * mruby - An embeddable Ruby implementation
+ *
+ * Copyright (c) mruby developers 2010-2015
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * [ MIT license: http://www.opensource.org/licenses/mit-license.php ]
+ *
+ * @header mruby.h
 */
 
 #ifndef MRUBY_H
@@ -202,7 +204,14 @@ typedef struct mrb_state {
 #endif
 
 typedef mrb_value (*mrb_func_t)(mrb_state *mrb, mrb_value);
-MRB_API struct RClass *mrb_define_class(mrb_state *, const char*, struct RClass*);
+
+/**
+ * Define a new Class
+ *
+ * @param name The name of the defined class
+ * @param super The new class parent
+ */
+MRB_API struct RClass *mrb_define_class(mrb_state *mrb, const char *name, struct RClass *super);
 MRB_API struct RClass *mrb_define_module(mrb_state *, const char*);
 MRB_API mrb_value mrb_singleton_class(mrb_state*, mrb_value);
 MRB_API void mrb_include_module(mrb_state*, struct RClass*, struct RClass*);

include/mruby/string.h

-/*
-** mruby/string.h - String class
-**
-** See Copyright Notice in mruby.h
-*/
+/**
+ * @header mruby/string.h
+ * @copyright See Copyright Notice in mruby.h
+ *
+ * String class
+ */
 
 #ifndef MRUBY_STRING_H
 #define MRUBY_STRING_H
@@ -67,7 +68,7 @@ struct RString {
 #define RSTRING(s)           mrb_str_ptr(s)
 #define RSTRING_PTR(s)       RSTR_PTR(RSTRING(s))
 #define RSTRING_EMBED_LEN(s) RSTR_ENBED_LEN(RSTRING(s))
-#define RSTRING_LEN(s)       RSTR_LEN(RSTRING(s))  
+#define RSTRING_LEN(s)       RSTR_LEN(RSTRING(s))
 #define RSTRING_CAPA(s)      RSTR_CAPA(RSTRING(s))
 #define RSTRING_END(s)       (RSTRING_PTR(s) + RSTRING_LEN(s))
 mrb_int mrb_str_strlen(mrb_state*, struct RString*);