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[FreeBSD/releng/9.2.git] / lib / libc / gen / lrand48.c
1 /*
2  * Copyright (c) 1993 Martin Birgmeier
3  * All rights reserved.
4  *
5  * You may redistribute unmodified or modified versions of this source
6  * code provided that the above copyright notice and this and the
7  * following conditions are retained.
8  *
9  * This software is provided ``as is'', and comes with no warranties
10  * of any kind. I shall in no event be liable for anything that happens
11  * to anyone/anything when using this software.
12  */
13
14 #include <sys/cdefs.h>
15 __FBSDID("$FreeBSD$");
16
17 #include "rand48.h"
18
19 extern unsigned short _rand48_seed[3];
20
21 long
22 lrand48(void)
23 {
24         _dorand48(_rand48_seed);
25         return ((long) _rand48_seed[2] << 15) + ((long) _rand48_seed[1] >> 1);
26 }