/* Copyright (C) 1998-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _STROPTS_H
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#define _STROPTS_H 1
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#include <features.h>
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#include <bits/types.h>
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#include <bits/xtitypes.h>
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#ifndef __gid_t_defined
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typedef __gid_t gid_t;
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# define __gid_t_defined
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#endif
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#ifndef __uid_t_defined
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typedef __uid_t uid_t;
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# define __uid_t_defined
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#endif
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typedef __t_scalar_t t_scalar_t;
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typedef __t_uscalar_t t_uscalar_t;
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/* Get system specific constants. */
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#include <bits/stropts.h>
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__BEGIN_DECLS
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/* Test whether FILDES is associated with a STREAM-based file. */
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extern int isastream (int __fildes) __THROW;
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/* Receive next message from a STREAMS file.
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This function is a cancellation point and therefore not marked with
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__THROW. */
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extern int getmsg (int __fildes, struct strbuf *__restrict __ctlptr,
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struct strbuf *__restrict __dataptr,
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int *__restrict __flagsp);
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/* Receive next message from a STREAMS file, with *FLAGSP allowing to
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control which message.
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This function is a cancellation point and therefore not marked with
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__THROW. */
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extern int getpmsg (int __fildes, struct strbuf *__restrict __ctlptr,
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struct strbuf *__restrict __dataptr,
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int *__restrict __bandp, int *__restrict __flagsp);
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/* Perform the I/O control operation specified by REQUEST on FD.
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One argument may follow; its presence and type depend on REQUEST.
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Return value depends on REQUEST. Usually -1 indicates error. */
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extern int ioctl (int __fd, unsigned long int __request, ...) __THROW;
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/* Send a message on a STREAM.
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This function is a cancellation point and therefore not marked with
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__THROW. */
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extern int putmsg (int __fildes, const struct strbuf *__ctlptr,
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const struct strbuf *__dataptr, int __flags);
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/* Send a message on a STREAM to the BAND.
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This function is a cancellation point and therefore not marked with
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__THROW. */
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extern int putpmsg (int __fildes, const struct strbuf *__ctlptr,
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const struct strbuf *__dataptr, int __band, int __flags);
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/* Attach a STREAMS-based file descriptor FILDES to a file PATH in the
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file system name space. */
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extern int fattach (int __fildes, const char *__path) __THROW;
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/* Detach a name PATH from a STREAMS-based file descriptor. */
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extern int fdetach (const char *__path) __THROW;
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__END_DECLS
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#endif /* stropts.h */
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