usr/src/lib/libc/stdlib/rand.c

/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)rand.c      5.2 (Berkeley) %G%";
#endif LIBC_SCCS and not lint

static  long    randx = 1;

srand(x)
unsigned x;
{
        randx = x;
}

rand()
{
        return((randx = randx * 1103515245 + 12345) & 0x7fffffff);
}