1 files changed, 3 insertions, 3 deletions
diff --git a/ruby.h b/ruby.h
index 8dd280148d..ca97ee2c42 100644
--- a/ruby.h
+++ b/ruby.h
@@ -380,9 +380,9 @@ struct RBignum {
 #define xrealloc ruby_xrealloc
 #define xfree ruby_xfree
 
-void *xmalloc _((size_t));
-void *xcalloc _((size_t,size_t));
-void *xrealloc _((void*,size_t));
+void *xmalloc _((long));
+void *xcalloc _((long,long));
+void *xrealloc _((void*,long));
 void xfree _((void*));
 
 #define ALLOC_N(type,n) (type*)xmalloc(sizeof(type)*(n))