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/* Copyright (C) 1998-2017 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 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, see
<http://www.gnu.org/licenses/>. */
#ifndef _STROPTS_H
#define _STROPTS_H 1
#include <features.h>
#include <bits/types.h>
#include <bits/xtitypes.h>
#ifndef __gid_t_defined
typedef __gid_t gid_t;
# define __gid_t_defined
#endif
#ifndef __uid_t_defined
typedef __uid_t uid_t;
# define __uid_t_defined
#endif
typedef __t_scalar_t t_scalar_t;
typedef __t_uscalar_t t_uscalar_t;
/* Get system specific constants. */
#include <bits/stropts.h>
__BEGIN_DECLS
/* Test whether FILDES is associated with a STREAM-based file. */
extern int isastream (int __fildes) __THROW;
/* Receive next message from a STREAMS file.
This function is a cancellation point and therefore not marked with
__THROW. */
extern int getmsg (int __fildes, struct strbuf *__restrict __ctlptr,
struct strbuf *__restrict __dataptr,
int *__restrict __flagsp);
/* Receive next message from a STREAMS file, with *FLAGSP allowing to
control which message.
This function is a cancellation point and therefore not marked with
__THROW. */
extern int getpmsg (int __fildes, struct strbuf *__restrict __ctlptr,
struct strbuf *__restrict __dataptr,
int *__restrict __bandp, int *__restrict __flagsp);
/* Perform the I/O control operation specified by REQUEST on FD.
One argument may follow; its presence and type depend on REQUEST.
Return value depends on REQUEST. Usually -1 indicates error. */
extern int ioctl (int __fd, unsigned long int __request, ...) __THROW;
/* Send a message on a STREAM.
This function is a cancellation point and therefore not marked with
__THROW. */
extern int putmsg (int __fildes, const struct strbuf *__ctlptr,
const struct strbuf *__dataptr, int __flags);
/* Send a message on a STREAM to the BAND.
This function is a cancellation point and therefore not marked with
__THROW. */
extern int putpmsg (int __fildes, const struct strbuf *__ctlptr,
const struct strbuf *__dataptr, int __band, int __flags);
/* Attach a STREAMS-based file descriptor FILDES to a file PATH in the
file system name space. */
extern int fattach (int __fildes, const char *__path) __THROW;
/* Detach a name PATH from a STREAMS-based file descriptor. */
extern int fdetach (const char *__path) __THROW;
__END_DECLS
#endif /* stropts.h */
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