diff -rdup lsof_4.81.orig/lsof_4.81_src/dialects/linux/machine.h lsof_4.81/lsof_4.81_src/dialects/linux/machine.h
--- a/dialects/linux/machine.h	2007-04-24 18:20:58.000000000 +0200
+++ b/dialects/linux/machine.h	2007-05-15 12:17:03.000000000 +0200
@@ -616,6 +616,6 @@
  * zeromem is a macro that uses bzero or memset.
  */
 
-#define	zeromem(a, l)	bzero(a, l)
+#define	zeromem(a, l)	memset(a, 0, l)
 
 #endif	/* !defined(LSOF_MACHINE_H) */