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diff --git a/sysdeps/unix/sysv/linux/shmat.c b/sysdeps/unix/sysv/linux/shmat.c
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+/* Copyright (C) 1995 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#include <sys/sem.h>
+
+/* Attach the shared memory segment associated with SHMID to the data
+   segment of the calling process.  SHMADDR and SHMFLG determine how
+   and where the segment is attached.  */
+
+char *
+shmat (shmid, shmaddr, shmflg)
+     int shmid;
+     char *shmaddr;
+     int shmflg;
+{
+  int retval;
+  unsigned long raddr;
+
+  retval = __ipc (IPCOP_shmat, shmid, shmflg, (int) &raddr, shmaddr);
+  return retval < 0 ? (char *) retval : (char *) raddr;
+}