--- libev/ev.h	2007/11/27 10:59:11	1.72
+++ libev/ev.h	2007/11/27 19:41:52	1.73
@@ -66,6 +66,8 @@
 
 /*****************************************************************************/
 
+#include <stddef.h> /* for size_t */
+
 #if EV_STAT_ENABLE
 # include <sys/stat.h>
 #endif
@@ -334,7 +336,7 @@
  * or take some potentially destructive action.
  * The default is your system realloc function.
  */
-void ev_set_allocator (void *(*cb)(void *ptr, long size));
+void ev_set_allocator (void *(*cb)(void *ptr, size_t size));
 
 /* set the callback function to call on a
  * retryable syscall error