This update includes the 0.20.3pre3 code

WINGs/error.c

@@ -27,6 +27,25 @@
 #include <string.h>
 #include <errno.h>
 
+#if !defined(HAVE_STRERROR) && defined(BSD)
+#define HAVE_STRERROR
+char *
+strerror(int errnum)
+{
+  extern int errno, sys_nerr;
+#ifndef __DECC
+  extern char *sys_errlist[];
+#endif
+  static char buf[] = "Unknown error 12345678901234567890";
+
+  if (errno < sys_nerr)
+    return sys_errlist[errnum];
+
+  sprintf (buf, "Unknown error %d", errnum);
+  return buf;
+}
+#endif
+
 
 extern char *_WINGS_progname;