diff -durN gcc-4.2.1.orig/libmudflap/mf-hooks2.c gcc-4.2.1/libmudflap/mf-hooks2.c
--- gcc-4.2.1.orig/libmudflap/mf-hooks2.c	2005-09-23 23:58:39.000000000 +0200
+++ gcc-4.2.1/libmudflap/mf-hooks2.c	2007-08-03 20:35:09.000000000 +0200
@@ -427,7 +427,7 @@
 {
   TRACE ("%s\n", __PRETTY_FUNCTION__);
   MF_VALIDATE_EXTENT(s, n, __MF_CHECK_WRITE, "bzero region");
-  bzero (s, n);
+  memset (s, 0, n);
 }
 
 
@@ -437,7 +437,7 @@
   TRACE ("%s\n", __PRETTY_FUNCTION__);
   MF_VALIDATE_EXTENT(src, n, __MF_CHECK_READ, "bcopy src");
   MF_VALIDATE_EXTENT(dest, n, __MF_CHECK_WRITE, "bcopy dest");
-  bcopy (src, dest, n);
+  memmove (dest, src, n);
 }
 
 
@@ -447,7 +447,7 @@
   TRACE ("%s\n", __PRETTY_FUNCTION__);
   MF_VALIDATE_EXTENT(s1, n, __MF_CHECK_READ, "bcmp 1st arg");
   MF_VALIDATE_EXTENT(s2, n, __MF_CHECK_READ, "bcmp 2nd arg");
-  return bcmp (s1, s2, n);
+  return n == 0 ? 0 : memcmp (s1, s2, n);
 }
 
 
@@ -456,7 +456,7 @@
   size_t n = strlen (s);
   TRACE ("%s\n", __PRETTY_FUNCTION__);
   MF_VALIDATE_EXTENT(s, CLAMPADD(n, 1), __MF_CHECK_READ, "index region");
-  return index (s, c);
+  return strchr (s, c);
 }
 
 
@@ -465,7 +465,7 @@
   size_t n = strlen (s);
   TRACE ("%s\n", __PRETTY_FUNCTION__);
   MF_VALIDATE_EXTENT(s, CLAMPADD(n, 1), __MF_CHECK_READ, "rindex region");
-  return rindex (s, c);
+  return strrchr (s, c);
 }
 
 /* XXX:  stpcpy, memccpy */