diff --git a/lang/cem/libcc.ansi/headers/.distr b/lang/cem/libcc.ansi/headers/.distr
index ddba6c96..629c1085 100644
--- a/lang/cem/libcc.ansi/headers/.distr
+++ b/lang/cem/libcc.ansi/headers/.distr
@@ -19,4 +19,5 @@ stdio.h
 stdlib.h
 string.h
 time.h
+varargs.h
 sys
diff --git a/lang/cem/libcc.ansi/headers/varargs.h b/lang/cem/libcc.ansi/headers/varargs.h
new file mode 100644
index 00000000..6e3ba9be
--- /dev/null
+++ b/lang/cem/libcc.ansi/headers/varargs.h
@@ -0,0 +1,12 @@
+/*
+ * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
+ * See the copyright notice in the ACK home directory, in the file "Copyright".
+ */
+/* $Header$ */
+
+typedef char *va_list;
+# define __va_sz(mode)	(((sizeof(mode) + sizeof(int) - 1) / sizeof(int)) * sizeof(int))
+# define va_dcl int va_alist;
+# define va_start(list) (list = (char *) &va_alist)
+# define va_end(list)
+# define va_arg(list,mode) (*((mode *)((list += __va_sz(mode)) - __va_sz(mode))))