--- /dev/null
+--- strerror.c.orig 2004-11-25 11:38:47.000000000 -0800
++++ strerror.c 2005-04-30 01:26:56.000000000 -0700
+@@ -50,12 +50,13 @@
+ */
+ #define EBUFSIZE (20 + sizeof(UPREFIX))
+
++#ifndef BUILDING_VARIANT
+ /*
+ * Doing this by hand instead of linking with stdio(3) avoids bloat for
+ * statically linked binaries.
+ */
+-static void
+-errstr(int num, char *buf, size_t len)
++__private_extern__ void
++__errstr(int num, char *buf, size_t len)
+ {
+ char *t;
+ unsigned int uerr;
+@@ -77,14 +78,17 @@
+ strerror_r(int errnum, char *strerrbuf, size_t buflen)
+ {
+
+- if (errnum < 1 || errnum >= sys_nerr) {
+- errstr(errnum, strerrbuf, buflen);
++ if (errnum < 0 || errnum >= sys_nerr) {
++ __errstr(errnum, strerrbuf, buflen);
+ return (EINVAL);
+ }
+ if (strlcpy(strerrbuf, sys_errlist[errnum], buflen) >= buflen)
+ return (ERANGE);
+ return (0);
+ }
++#else /* BUILDING_VARIANT */
++__private_extern__ void __errstr(int, char *, size_t);
++#endif /* !BUILDING_VARIANT */
+
+ char *
+ strerror(int num)
+@@ -93,7 +97,9 @@
+
+ if (num > 0 && num < sys_nerr)
+ return ((char *)sys_errlist[num]);
++#if !__DARWIN_UNIX03
+ errno = EINVAL;
+- errstr(num, ebuf, sizeof(ebuf));
++#endif /* !__DARWIN_UNIX03 */
++ __errstr(num, ebuf, sizeof(ebuf));
+ return (ebuf);
+ }