stropts.h
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上传日期:2009-04-28
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- /* Copyright (C) 1998, 1999, 2000, 2002, 2003 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, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
- #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_uscalar_t t_uscalar_t;
- /* Get system specific contants. */
- #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 */