Initial revision
diff --git a/Python/strerror.c b/Python/strerror.c
new file mode 100644
index 0000000..a78b917
--- /dev/null
+++ b/Python/strerror.c
@@ -0,0 +1,18 @@
+/* PD implementation of strerror() for BSD derivatives that don't have it.
+ Author: Guido van Rossum, CWI Amsterdam, Oct. 1990, <guido@cwi.nl>. */
+
+#include <stdio.h>
+
+extern int sys_nerr;
+extern char *sys_errlist[];
+
+char *
+strerror(err)
+ int err;
+{
+ static char buf[20];
+ if (err >= 0 && err < sys_nerr)
+ return sys_errlist[err];
+ sprintf(buf, "Unknown errno %d", err);
+ return buf;
+}