from the ANSI standard

[unix-history] / usr / src / lib / libc / stdlib / rand.c

/*-
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* %sccs.include.redist.c%
*/

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)rand.c      5.3 (Berkeley) %G%";
#endif /* LIBC_SCCS and not lint */

#include <sys/types.h>
#include <sys/stdc.h>
#include <stdlib.h>

static u_long next = 1;

int
rand()
{
       return ((next = next * 1103515245 + 12345) % RAND_MAX);
}

void
srand(seed)
u_int seed;
{
       next = seed;
}