1 files changed, 18 insertions, 0 deletions
diff --git a/error.c b/error.c
index 72da9f5..c6ea581 100644
--- a/error.c
+++ b/error.c
@@ -246,6 +246,24 @@ internal_error (format, va_alist)
   va_end (args);
 }
 
+#if defined (PREFER_STDARG)
+invalid_cmd (const char *format, ...)
+#else
+invalid_cmd (format, va_alist)
+     const char *format;
+     va_dcl
+#endif
+{
+  va_list args;
+
+  SH_VA_START (args, format);
+
+  vfprintf (stderr, format, args);
+  fprintf (stderr, "\n");
+
+  va_end (args);
+}
+
 void
 #if defined (PREFER_STDARG)
 internal_warning (const char *format, ...)