diff --git a/libc/stdlib/srand48.c b/libc/stdlib/srand48.c
new file mode 100644
index 0000000..f76b6cc
--- /dev/null
+++ b/libc/stdlib/srand48.c
@@ -0,0 +1,31 @@
+/*	$OpenBSD: srand48.c,v 1.3 2005/08/08 08:05:37 espie Exp $ */
+/*
+ * Copyright (c) 1993 Martin Birgmeier
+ * All rights reserved.
+ *
+ * You may redistribute unmodified or modified versions of this source
+ * code provided that the above copyright notice and this and the
+ * following conditions are retained.
+ *
+ * This software is provided ``as is'', and comes with no warranties
+ * of any kind. I shall in no event be liable for anything that happens
+ * to anyone/anything when using this software.
+ */
+
+#include "rand48.h"
+
+extern unsigned short __rand48_seed[3];
+extern unsigned short __rand48_mult[3];
+extern unsigned short __rand48_add;
+
+void
+srand48(long seed)
+{
+	__rand48_seed[0] = RAND48_SEED_0;
+	__rand48_seed[1] = (unsigned short) seed;
+	__rand48_seed[2] = (unsigned short) (seed >> 16);
+	__rand48_mult[0] = RAND48_MULT_0;
+	__rand48_mult[1] = RAND48_MULT_1;
+	__rand48_mult[2] = RAND48_MULT_2;
+	__rand48_add = RAND48_ADD;
+}