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+/****************************************************************************
+ * include/sys/stat.h
+ *
+ * Copyright (C) 2007-2009, 2012 Gregory Nutt. All rights reserved.
+ * Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ * used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#ifndef __INCLUDE_SYS_STAT_H
+#define __INCLUDE_SYS_STAT_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <sys/types.h>
+#include <time.h>
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+/* mode_t bit settings (most of these do not apply to Nuttx). This assumes
+ * that the full size of a mode_t is 16-bits. (However, mode_t must be size
+ * 'int' because it is promoted to size int when passed in varargs).
+ */
+
+#define S_IXOTH 0000001 /* Permissions for others: RWX */
+#define S_IWOTH 0000002
+#define S_IROTH 0000004
+#define S_IRWXO 0000007
+
+#define S_IXGRP 0000010 /* Group permissions: RWX */
+#define S_IWGRP 0000020
+#define S_IRGRP 0000040
+#define S_IRWXG 0000070
+
+#define S_IXUSR 0000100 /* Owner permissions: RWX */
+#define S_IWUSR 0000200
+#define S_IRUSR 0000400
+#define S_IRWXU 0000700
+
+#define S_ISVTX 0001000 /* "sticky" bit */
+#define S_ISGID 0002000 /* Set group ID bit */
+#define S_ISUID 0004000 /* Set UID bit */
+
+#define S_IFIFO 0010000 /* File type bites */
+#define S_IFCHR 0020000
+#define S_IFDIR 0040000
+#define S_IFBLK 0060000
+#define S_IFREG 0100000
+#define S_IFLNK 0120000
+#define S_IFSOCK 0140000
+#define S_IFMT 0170000
+
+/* File type macros that operate on an instance of mode_t */
+
+#define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
+#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
+#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
+#define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
+#define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
+#define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
+#define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
+
+/****************************************************************************
+ * Type Definitions
+ ****************************************************************************/
+
+/* This is the simplified struct stat as returned by fstat(). This structure
+ * provides information about a specific file or directory in the file system.
+ */
+
+struct stat
+{
+ mode_t st_mode; /* File type, atributes, and access mode bits */
+ off_t st_size; /* Size of file/directory, in bytes */
+ blksize_t st_blksize; /* Blocksize used for filesystem I/O */
+ blkcnt_t st_blocks; /* Number of blocks allocated */
+ time_t st_atime; /* Time of last access */
+ time_t st_mtime; /* Time of last modification */
+ time_t st_ctime; /* Time of last status change */
+};
+
+/****************************************************************************
+ * Global Function Prototypes
+ ****************************************************************************/
+
+#undef EXTERN
+#if defined(__cplusplus)
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+EXTERN int mkdir(FAR const char *pathname, mode_t mode);
+EXTERN int mkfifo(FAR const char *pathname, mode_t mode);
+EXTERN int stat(const char *path, FAR struct stat *buf);
+EXTERN int fstat(int fd, FAR struct stat *buf);
+
+#undef EXTERN
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* __INCLUDE_SYS_STAT_H */