$NetBSD$

--- stage2/char_io.c
+++ stage2/char_io.c
@@ -1175,13 +1175,13 @@
 #endif /* ! STAGE1_5 */
 
 int
-memcheck (int addr, int len)
+memcheck (unsigned long int addr, unsigned long int len)
 {
 #ifdef GRUB_UTIL
-  auto int start_addr (void);
-  auto int end_addr (void);
+  auto unsigned long int start_addr (void);
+  auto int unsigned long end_addr (void);
   
-  auto int start_addr (void)
+  auto unsigned long int start_addr (void)
     {
       int ret;
 # if defined(HAVE_START_SYMBOL)
@@ -1192,7 +1192,7 @@
       return ret;
     }

-  auto int end_addr (void)
+  auto unsigned long int end_addr (void)
     {
       int ret;
 # if defined(HAVE_END_SYMBOL)
