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-rw-r--r--io/sys/fcntl.h1
-rw-r--r--io/sys/poll.h65
-rw-r--r--io/sys/stat.h168
3 files changed, 234 insertions, 0 deletions
diff --git a/io/sys/fcntl.h b/io/sys/fcntl.h
new file mode 100644
index 0000000000..cd304557e7
--- /dev/null
+++ b/io/sys/fcntl.h
@@ -0,0 +1 @@
+#include <fcntl.h>
diff --git a/io/sys/poll.h b/io/sys/poll.h
new file mode 100644
index 0000000000..48b9afac9e
--- /dev/null
+++ b/io/sys/poll.h
@@ -0,0 +1,65 @@
+/* Compatibility definitions for System V `poll' interface.
+Copyright (C) 1994 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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#ifndef	_SYS_POLL_H
+#define	_SYS_POLL_H
+
+#include <sys/cdefs.h>
+
+/* Data structure describing a polling request.  */
+struct pollfd
+  {
+    int fd;			/* File descriptor to poll.  */
+    short int events;		/* Types of events poller cares about.  */
+    short int revents;		/* Types of events that actually occurred.  */
+  };
+
+/* Event types that can be polled for.  These bits may be set in `events'
+   to indicate the interesting event types; they will appear in `revents'
+   to indicate the status of the file descriptor.  */
+#define POLLIN		01              /* There is data to read.  */
+#define POLLPRI		02              /* There is urgent data to read.  */
+#define POLLOUT		04              /* Writing now will not block.  */
+
+/* Event types always implicitly polled for.  These bits need not be set in
+   `events', but they will appear in `revents' to indicate the status of
+   the file descriptor.  */
+#define POLLERR         010             /* Error condition.  */
+#define POLLHUP         020             /* Hung up.  */
+#define POLLNVAL        040             /* Invalid polling request.  */
+
+/* Canonical number of polling requests to read in at a time in poll.  */
+#define NPOLLFILE	30
+
+
+__BEGIN_DECLS
+
+/* Poll the file descriptors described by the NFDS structures starting at
+   FDS.  If TIMEOUT is nonzero and not -1, allow TIMEOUT milliseconds for
+   an event to occur; if TIMEOUT is -1, block until an event occurs.
+   Returns the number of file descriptors with events, zero if timed out,
+   or -1 for errors.  */
+
+extern int poll __P ((struct pollfd *__fds, unsigned long int __nfds,
+		      int __timeout));
+
+__END_DECLS
+
+#endif	/* sys/poll.h */
+
diff --git a/io/sys/stat.h b/io/sys/stat.h
new file mode 100644
index 0000000000..b5b9e363d7
--- /dev/null
+++ b/io/sys/stat.h
@@ -0,0 +1,168 @@
+/* Copyright (C) 1991, 1992, 1995 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, 1992 Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+/*
+ *	POSIX Standard: 5.6 File Characteristics	<sys/stat.h>
+ */
+
+#ifndef	_SYS_STAT_H
+
+#define	_SYS_STAT_H	1
+#include <features.h>
+
+#include <gnu/types.h>		/* For __mode_t and __dev_t.  */
+
+__BEGIN_DECLS
+
+#include <statbuf.h>
+
+#if defined(__USE_BSD) || defined(__USE_MISC)
+#define	S_IFMT		__S_IFMT
+#define	S_IFDIR		__S_IFDIR
+#define	S_IFCHR		__S_IFCHR
+#define	S_IFBLK		__S_IFBLK
+#define	S_IFREG		__S_IFREG
+#ifdef __S_IFLNK
+#define	S_IFLNK		__S_IFLNK
+#endif
+#ifdef __S_IFSOCK
+#define	S_IFSOCK	__S_IFSOCK
+#endif
+#ifdef __S_IFIFO
+#define	S_IFIFO		__S_IFIFO
+#endif
+#endif
+
+/* Test macros for file types.	*/
+
+#define	__S_ISTYPE(mode, mask)	(((mode) & __S_IFMT) == (mask))
+
+#define	S_ISDIR(mode)	__S_ISTYPE((mode), __S_IFDIR)
+#define	S_ISCHR(mode)	__S_ISTYPE((mode), __S_IFCHR)
+#define	S_ISBLK(mode)	__S_ISTYPE((mode), __S_IFBLK)
+#define	S_ISREG(mode)	__S_ISTYPE((mode), __S_IFREG)
+#ifdef __S_IFIFO
+#define	S_ISFIFO(mode)	__S_ISTYPE((mode), __S_IFIFO)
+#endif
+
+#ifdef	__USE_GNU
+#ifdef __S_IFLNK
+#define	S_ISLNK(mode)	__S_ISTYPE((mode), __S_IFLNK)
+#endif
+#ifdef __S_IFSOCK
+#define	S_ISSOCK(mode)	__S_ISTYPE((mode), __S_IFSOCK)
+#endif
+#endif
+
+
+/* Protection bits.  */
+
+#define	S_ISUID __S_ISUID	/* Set user ID on execution.  */
+#define	S_ISGID	__S_ISGID	/* Set group ID on execution.  */
+
+#if defined(__USE_BSD) || defined(__USE_MISC)
+/* Save swapped text after use (sticky bit).  This is pretty well obsolete.  */
+#define	S_ISVTX	__S_ISVTX
+#endif
+
+#define	S_IRUSR	__S_IREAD	/* Read by owner.  */
+#define	S_IWUSR	__S_IWRITE	/* Write by owner.  */
+#define	S_IXUSR	__S_IEXEC	/* Execute by owner.  */
+/* Read, write, and execute by owner.  */
+#define	S_IRWXU	(__S_IREAD|__S_IWRITE|__S_IEXEC)
+
+#if	defined(__USE_MISC) && defined(__USE_BSD)
+#define	S_IREAD		S_IRUSR
+#define	S_IWRITE	S_IWUSR
+#define	S_IEXEC		S_IXUSR
+#endif
+
+#define	S_IRGRP	(S_IRUSR >> 3)	/* Read by group.  */
+#define	S_IWGRP	(S_IWUSR >> 3)	/* Write by group.  */
+#define	S_IXGRP	(S_IXUSR >> 3)	/* Execute by group.  */
+/* Read, write, and execute by group.  */
+#define	S_IRWXG	(S_IRWXU >> 3)
+
+#define	S_IROTH	(S_IRGRP >> 3)	/* Read by others.  */
+#define	S_IWOTH	(S_IWGRP >> 3)	/* Write by others.  */
+#define	S_IXOTH	(S_IXGRP >> 3)	/* Execute by others.  */
+/* Read, write, and execute by others.  */
+#define	S_IRWXO	(S_IRWXG >> 3)
+
+
+/* Get file attributes for FILE and put them in BUF.  */
+extern int __stat __P ((__const char *__file, struct stat *__buf));
+extern int stat __P ((__const char *__file, struct stat *__buf));
+
+/* Get file attributes for the file, device, pipe, or socket
+   that file descriptor FD is open on and put them in BUF.  */
+extern int __fstat __P ((int __fd, struct stat *__buf));
+extern int fstat __P ((int __fd, struct stat *__buf));
+
+/* Get file attributes about FILE and put them in BUF.
+   If FILE is a symbolic link, do not follow it.  */
+extern int __lstat __P ((__const char *__file, struct stat *__buf));
+#ifdef	__USE_BSD
+extern int lstat __P ((__const char *__file, struct stat *__buf));
+#endif
+
+/* Set file access permissions for FILE to MODE.
+   This takes an `int' MODE argument because that
+   is what `mode_t's get widened to.  */
+extern int __chmod __P ((__const char *__file, __mode_t __mode));
+extern int chmod __P ((__const char *__file, __mode_t __mode));
+
+/* Set file access permissions of the file FD is open on to MODE.  */
+extern int __fchmod __P ((int __fd, __mode_t __mode));
+#ifdef	__USE_BSD
+extern int fchmod __P ((int __fd, __mode_t __mode));
+#endif
+
+
+/* Set the file creation mask of the current process to MASK,
+   and return the old creation mask.  */
+extern __mode_t __umask __P ((__mode_t __mask));
+extern __mode_t umask __P ((__mode_t __mask));
+
+#ifdef	__USE_GNU
+/* Get the current `umask' value without changing it.
+   This function is only available under the GNU Hurd.  */
+extern __mode_t getumask __P ((void));
+#endif
+
+/* Create a new directory named PATH, with permission bits MODE.  */
+extern int __mkdir __P ((__const char *__path, __mode_t __mode));
+extern int mkdir __P ((__const char *__path, __mode_t __mode));
+
+/* Create a device file named PATH, with permission and special bits MODE
+   and device number DEV (which can be constructed from major and minor
+   device numbers with the `makedev' macro above).  */
+extern int __mknod __P ((__const char *__path,
+			 __mode_t __mode, __dev_t __dev));
+#if	defined(__USE_MISC) || defined(__USE_BSD)
+extern int mknod __P ((__const char *__path,
+		       __mode_t __mode, __dev_t __dev));
+#endif
+
+
+/* Create a new FIFO named PATH, with permission bits MODE.  */
+extern int mkfifo __P ((__const char *__path, __mode_t __mode));
+
+__END_DECLS
+
+#endif /* sys/stat.h  */
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