glibc/stdlib/seed48.c

/* Copyright (C) 1995, 1996, 1997, 1998, 2001 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#include <stdlib.h>

/* Global state for non-reentrant functions.  Defined in drand48-iter.c.  */
extern struct drand48_data __libc_drand48_data;

unsigned short int *
seed48 (seed16v)
     unsigned short int seed16v[3];
{
  (void) __seed48_r (seed16v, &__libc_drand48_data);

  return __libc_drand48_data.__old_x;
}