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diff --git a/bits/stropts.h b/bits/stropts.h
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+/* Copyright (C) 1998 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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.  */
+
+#ifndef _BITS_STROPTS_H
+#define _BITS_STROPTS_H	1
+
+#include <bits/types.h>
+
+/* Macros used as `request' argument to `ioctl'.  */
+#define I_PUSH		1	/* Push STREAMS module onto top of the current
+				   STREAM, just below the STREAM head.  */
+#define I_POP		2	/* Remove STREAMS module from just below the
+				   STREAM head.  */
+#define I_LOOK		3	/* Retrieve the name of the module just below
+				   the STREAM head and place it in a character
+				   string.  */
+#define I_FLUSH		4	/* Flush all input and/or output.  */
+#define I_FLUSHBAND	5	/* Flush only band specified.  */
+#define I_SETSIG	6	/* Inform the STREAM head that the process
+				   wants the SIGPOLL signal issued.  */
+#define I_GETSIG	7	/* Return the events for which the calling
+				   process is currently registered to be sent
+				   a SIGPOLL signal.  */
+#define I_FIND		8	/* Compares the names of all modules currently
+				   present in the STREAM to the name pointed to
+				   by `arg'.  */
+#define I_PEEK		9	/* Allows a process to retrieve the information
+				   in the first message on the STREAM head read
+				   queue without taking the message off the
+				   queue.  */
+#define I_SRDOPT	10	/* Sets the read mode.  */
+#define I_GRDOPT	11	/* Returns the current read mode setting.  */
+#define I_NREAD		12	/* Counts the number of data bytes in the data
+				   block in the first message.  */
+#define I_FDINSERT	13	/* Create a message from the specified
+				   buffer(s), adds information about another
+				   STREAM, and send the message downstream.  */
+#define I_STR		14	/* Construct an internal STREAMS `ioctl'
+				   message and send that message downstream. */
+#define I_SWROPT	15	/* Set the write mode.  */
+#define I_GWRSET	16	/* Return the current write mode setting.  */
+#define I_SENDFD	17	/* Requests the STREAM associated with `fildes'
+				   to send a message, containing a file
+				   pointer, to the STREAM head at the other end
+				   of a STREAMS pipe.  */
+#define I_RECVFD	18	/* Retrieve the file descriptor associated with
+				   the message sent by an I_SENDFD `ioctl'
+				   over a STREAMS pipe.  */
+#define I_LIST		19	/* List all the module names on the STREAM, up
+				   to and including the topmost driver name. */
+#define I_ATMARK	20	/* See if the current message on the STREAM
+				   head read queue is "marked" by some module
+				   downstream.  */
+#define I_CKBAND	21	/* Check if the message of a given priority
+				   band exists on the STREAM head read
+				   queue.  */
+#define I_GETBAND	22	/* Return the priority band of the first
+				   message on the STREAM head read queue.  */
+#define I_CANPUT	23	/* Check if a certain band is writable.  */
+#define I_SETCLTIME	24	/* Set the time the STREAM head will delay when
+				   a STREAM is closing and there is data on
+				   the write queues.  */
+#define I_LINK		25	/* Connect two STREAMs.  */
+#define I_UNLINK	26	/* Disconnects the two STREAMs.  */
+#define I_PLINK		27	/* Connect two STREAMs with a persistent
+				   link.  */
+#define I_PUNLINK	28	/* Disconnect the two STREAMs that were
+				   connected with a persistent link.  */
+
+
+/* Used in `I_LOOK' request.  */
+#define FMNAMESZ	255
+
+/* Flush options.  */
+#define FLUSHR	1		/* Flush read queues.  */
+#define FLUSHW	2		/* Flush write queues.  */
+#define FLUSHRW	3		/* Flush read and write queues.  */
+
+/* Possible arguments for `I_SETSIG'.  */
+#define S_RDNORM	0x0001	/* A normal message has arrived.  */
+#define S_RDBAND	0x0002	/* A message with a non-zero priority has
+				   arrived.  */
+#define S_INPUT		0x0004	/* A message, other than a high-priority
+				   message, has arrived.  */
+#define S_HIPRI		0x0008	/* A high-priority message is present.  */
+#define S_OUTPUT	0x0010	/* The write queue for normal data is no longer
+				   full.  */
+#define S_WRNORM	S_OUTPUT
+#define S_WRBAND	0x0020	/* The write queue for a non-zero priority
+				   band is no longer full.  */
+#define S_MSG		0x0040	/* A STREAMS signal message that contains the
+				   SIGPOLL signal reaches the front of the
+				   STREAM head read queue.  */
+#define S_ERROR		0x0080	/* Notification of an error condition.  */
+#define S_HANGUP	0x0100	/* Notification of a hangup.  */
+#define S_BANDURG	0x0200	/* When used in conjunction with S_RDBAND,
+				   SIGURG is generated instead of SIGPOLL when
+				   a priority message reaches the front of the
+				   STREAM head read queue.  */
+
+/* Option for `I_PEEK'.  */
+#define RS_HIPRI	1	/* Only look for high-priority messages.  */
+
+/* Options for `I_SRDOPT'.  */
+#define RDNORM		1	/* Byte-STREAM mode, the default.  */
+#define RMSGD		2	/* Message-discard mode.   */
+#define RMSGN		3	/* Message-nondiscard mode.   */
+#define RPROTNORM	4	/* Fail `read' with EBADMSG if a message
+				   containing a control part is at the front
+				   of the STREAM head read queue.  */
+#define RPROTDAT	5	/* Deliver the control part of a message as
+				   data.  */
+#define RPROTDIS	6	/* Discard the control part of a message,
+				   delivering any data part.  */
+
+/* Possible mode for `I_SWROPT'.  */
+#define SNDZERO		1	/* Send a zero-length message downstream when a
+				   `write' of 0 bytes occurs.  */
+
+/* Arguments for `I_ATMARK'.  */
+#define ANYMARK		1	/* Check if the message is marked.  */
+#define LASTMARK	2	/* Check if the message is the last one marked
+				   on the queue.  */
+
+/* Argument for `I_UNLINK'.  */
+#define MUXID_ALL	1	/* Unlink all STREAMs linked to the STREAM
+				   associated with `fildes'.  */
+
+
+/* Macros for `getmsg', `getpmsg', `putmsg' and `putpmsg'.  */
+#define MSG_ANY		1	/* Receive any message.  */
+#define MSG_BAND	2	/* Receive message from specified band.  */
+#define MSG_HIPRI	3	/* Send/receive high priority message.  */
+#define MORECTL		4	/* More control information is left in
+				   message.  */
+#define MOREDATA	5	/* More data is left in message.  */
+
+
+/* Structure used for the I_FLUSHBAND ioctl on streams.  */
+struct bandinfo
+  {
+    unsigned char bi_pri;
+    int bi_flag;
+  };
+
+struct strbuf
+  {
+    int maxlen;		/* Maximum buffer length.  */
+    int len;		/* Length of data.  */
+    char *buf;		/* Pointer to buffer.  */
+  };
+
+struct strpeek
+  {
+    struct strbuf ctlbuf;
+    struct strbuf databuf;
+    __t_uscalar_t flags;
+  };
+
+struct strfdinsert
+  {
+    struct strbuf ctlbuf;
+    struct strbuf databuf;
+    __t_uscalar_t flags;
+    int fildes;
+    int offset;
+  };
+
+struct strioctl
+  {
+    int ic_cmd;
+    int ic_timout;
+    int ic_len;
+    char *ic_dp;
+  };
+
+struct strrecvfd
+  {
+    int fd;
+    __uid_t uid;
+    __gid_t gid;
+  };
+
+
+struct str_mlist
+  {
+    char l_name[FMNAMESZ + 1];
+  };
+
+struct str_list
+  {
+    int sl_nmods;
+    struct str_mlist *sl_modlist;
+  };
+
+#endif /* bits/stropts.h */