Initial Contribution
diff --git a/libc/stdlib/_rand48.c b/libc/stdlib/_rand48.c
new file mode 100644
index 0000000..7c950f7
--- /dev/null
+++ b/libc/stdlib/_rand48.c
@@ -0,0 +1,47 @@
+/* $OpenBSD: _rand48.c,v 1.3 2005/08/08 08:05:36 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"
+
+unsigned short __rand48_seed[3] = {
+ RAND48_SEED_0,
+ RAND48_SEED_1,
+ RAND48_SEED_2
+};
+unsigned short __rand48_mult[3] = {
+ RAND48_MULT_0,
+ RAND48_MULT_1,
+ RAND48_MULT_2
+};
+unsigned short __rand48_add = RAND48_ADD;
+
+void
+__dorand48(unsigned short xseed[3])
+{
+ unsigned long accu;
+ unsigned short temp[2];
+
+ accu = (unsigned long) __rand48_mult[0] * (unsigned long) xseed[0] +
+ (unsigned long) __rand48_add;
+ temp[0] = (unsigned short) accu; /* lower 16 bits */
+ accu >>= sizeof(unsigned short) * 8;
+ accu += (unsigned long) __rand48_mult[0] * (unsigned long) xseed[1] +
+ (unsigned long) __rand48_mult[1] * (unsigned long) xseed[0];
+ temp[1] = (unsigned short) accu; /* middle 16 bits */
+ accu >>= sizeof(unsigned short) * 8;
+ accu += __rand48_mult[0] * xseed[2] + __rand48_mult[1] * xseed[1] + __rand48_mult[2] * xseed[0];
+ xseed[0] = temp[0];
+ xseed[1] = temp[1];
+ xseed[2] = (unsigned short) accu;
+}