3 files changed, 5 insertions, 4 deletions
diff --git a/mrbgems/mruby-bin-debugger/tools/mrdb/apilist.c b/mrbgems/mruby-bin-debugger/tools/mrdb/apilist.c
index 53f5fe4ef..46201eb07 100755
--- a/mrbgems/mruby-bin-debugger/tools/mrdb/apilist.c
+++ b/mrbgems/mruby-bin-debugger/tools/mrdb/apilist.c
@@ -105,7 +105,8 @@ source_file_new(mrb_state *mrb, mrb_debug_context *dbg, char *filename)
 static mrb_bool
 remove_newlines(char *s, FILE *fp)
 {
-  char c, *p;
+  int c;
+  char *p;
   size_t len;
 
   if ((len = strlen(s)) == 0) {
@@ -120,7 +121,7 @@ remove_newlines(char *s, FILE *fp)
 
   if (*p == '\r') {
     /* peek the next character and skip '\n' */
-    if ((unsigned char)(c = fgetc(fp)) != '\n') {
+    if ((c = fgetc(fp)) != '\n') {
       ungetc(c, fp);
     }
   }
diff --git a/mrbgems/mruby-bin-debugger/tools/mrdb/apiprint.c b/mrbgems/mruby-bin-debugger/tools/mrdb/apiprint.c
index 2708a6259..2c93eb4ee 100755
--- a/mrbgems/mruby-bin-debugger/tools/mrdb/apiprint.c
+++ b/mrbgems/mruby-bin-debugger/tools/mrdb/apiprint.c
@@ -33,7 +33,7 @@ mrdb_check_syntax(mrb_state *mrb, mrb_debug_context *dbg, const char *expr, size
 mrb_value
 mrb_debug_eval(mrb_state *mrb, mrb_debug_context *dbg, const char *expr, size_t len, mrb_bool *exc)
 {
-  void *tmp;
+  void (*tmp)(struct mrb_state *, struct mrb_irep *, mrb_code *, mrb_value *);
   mrb_value ruby_code;
   mrb_value s;
   mrb_value v;
diff --git a/mrbgems/mruby-bin-debugger/tools/mrdb/mrdb.c b/mrbgems/mruby-bin-debugger/tools/mrdb/mrdb.c
index ec5a68dc1..656b5d0af 100755
--- a/mrbgems/mruby-bin-debugger/tools/mrdb/mrdb.c
+++ b/mrbgems/mruby-bin-debugger/tools/mrdb/mrdb.c
@@ -502,7 +502,7 @@ get_and_parse_command(mrb_state *mrb, mrdb_state *mrdb)
   return cmd;
 }
 
-static const int32_t
+static int32_t
 check_method_breakpoint(mrb_state *mrb, mrb_irep *irep, mrb_code *pc, mrb_value *regs)
 {
   struct RClass* c;