--- /dev/null
+/* Prototypes for openat-style fd-relative functions for operating with
+ extended file attributes.
+
+ Copyright 2012-2013 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#ifndef XATTRS_AT_H
+#define XATTRS_AT_H
+
+#include <sys/types.h>
+#include <attr/xattr.h>
+
+/* These are the dir-fd-relative variants of the functions without the
+ "at" suffix. For example, setxattrat (AT_FDCWD, path, name, value, size,
+ flags &c) is usually equivalent to setxattr (file, name, value, size,
+ flags). For more info use the setxattr(2), getxattr(2) or listxattr(2)
+ manpages. */
+
+/* dir-fd-relative setxattr. Operation sets the VALUE of the extended
+ attribute identified by NAME and associated with the given PATH in the
+ filesystem relatively to directory identified by DIR_FD. See the
+ setxattr(2) manpage for the description of all parameters. */
+int setxattrat (int dir_fd, const char *path, const char *name,
+ const void *value, size_t size, int flags);
+
+/* dir-fd-relative lsetxattr. This function is just like setxattrat,
+ except when DIR_FD and FILE specify a symlink: lsetxattrat operates on the
+ symlink, while the setxattrat operates on the referent of the symlink. */
+int lsetxattrat (int dir_fd, const char *path, const char *name,
+ const void *value, size_t size, int flags);
+
+/* dir-fd-relative getxattr. Operation gets the VALUE of the extended
+ attribute idenfified by NAME and associated with the given PATH in the
+ filesystem relatively to directory identified by DIR_FD. For more info
+ about all parameters see the getxattr(2) manpage. */
+ssize_t getxattrat (int dir_fd, const char *path, const char *name,
+ void *value, size_t size);
+
+/* dir-fd-relative lgetxattr. This function is just like getxattrat,
+ except when DIR_FD and FILE specify a symlink: lgetxattrat operates on the
+ symlink, while the getxattrat operates on the referent of the symlink. */
+ssize_t lgetxattrat (int dir_fd, const char *path, const char *name,
+ void *value, size_t size);
+
+/* dir-fd-relative listxattr. Obtain the list of extended attrubtes names. For
+ more info see the listxattr(2) manpage. */
+ssize_t listxattrat (int dir_fd, const char *path, char *list, size_t size);
+
+/* dir-fd-relative llistxattr. This function is just like listxattrat,
+ except when DIR_FD and FILE specify a symlink: llistxattr operates on the
+ symlink, while the listxattrat operates on the referent of the symlink. */
+ssize_t llistxattrat (int dir_fd, const char *path, char *list, size_t size);
+
+#endif /* XATTRS_AT_H */