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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 */