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glibc/streams/stropts.h
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/* Copyright (C) 1998-2016 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 */ |