3 files changed, 10 insertions, 8 deletions
diff --git a/include/mruby.h b/include/mruby.h
index 3bbc6e6cc..70bbdf3c2 100644
--- a/include/mruby.h
+++ b/include/mruby.h
@@ -147,7 +147,7 @@ mrb_obj_value(void *p)
 }
 
 static inline mrb_value
-mrb_false_value()
+mrb_false_value(void)
 {
   mrb_value v;
 
@@ -157,7 +157,7 @@ mrb_false_value()
 }
 
 static inline mrb_value
-mrb_nil_value()
+mrb_nil_value(void)
 {
   mrb_value v;
 
@@ -167,7 +167,7 @@ mrb_nil_value()
 }
 
 static inline mrb_value
-mrb_true_value()
+mrb_true_value(void)
 {
   mrb_value v;
 
@@ -177,7 +177,7 @@ mrb_true_value()
 }
 
 static inline mrb_value
-mrb_undef_value()
+mrb_undef_value(void)
 {
   mrb_value v;
 
@@ -416,6 +416,9 @@ mrb_value mrb_check_funcall(mrb_state *mrb, mrb_value recv, mrb_sym mid, int arg
 #define ISXDIGIT(c) (ISASCII(c) && isxdigit((int)(unsigned char)(c)))
 #endif
 
+mrb_value mrb_exc_new(mrb_state *mrb, struct RClass *c, const char *ptr, long len);
+void mrb_exc_raise(mrb_state *mrb, mrb_value exc);
+
 int mrb_block_given_p(void);
 void mrb_raise(mrb_state *mrb, struct RClass *c, const char *fmt, ...);
 void rb_raise(struct RClass *c, const char *fmt, ...);
diff --git a/include/mruby/variable.h b/include/mruby/variable.h
index 880d6217e..400dd50b0 100644
--- a/include/mruby/variable.h
+++ b/include/mruby/variable.h
@@ -14,8 +14,8 @@ extern "C" {
 typedef struct global_variable {
     int   counter;
     mrb_value *data;
-    mrb_value (*getter)();
-    void  (*setter)();
+    mrb_value (*getter)(void);
+    void  (*setter)(void);
     //void  (*marker)();
     //int block_trace;
     //struct trace_var *trace;
diff --git a/src/symbol.c b/src/symbol.c
index aa5b659fa..d09833689 100644
--- a/src/symbol.c
+++ b/src/symbol.c
@@ -188,8 +188,7 @@ sym_to_sym(mrb_state *mrb, mrb_value sym)
 #define is_identchar(c) (SIGN_EXTEND_CHAR(c)!=-1&&(ISALNUM(c) || (c) == '_'))
 
 static int
-is_special_global_name(m)
-    const char *m;
+is_special_global_name(const char* m)
 {
     switch (*m) {
       case '~': case '*': case '$': case '?': case '!': case '@':