SYS_IOCTL                = 54  // { int|sys||ioctl(int fd, u_long com, ... void *data); }
	SYS_REVOKE               = 56  // { int|sys||revoke(const char *path); }
	SYS_SYMLINK              = 57  // { int|sys||symlink(const char *path, const char *link); }
	SYS_READLINK             = 58  // { ssize_t|sys||readlink(const char *path, char *buf, size_t count); }

#
##############################################################################

# Attempt to set APP_HOME

# Resolve links: \$0 may be a link
app_path=\$0

# Need this for daisy-chained symlinks.
while
    APP_HOME=\${app_path%"\${app_path##*/}"}  # leaves a trailing /; empty if no leading path
    [ -h "\$app_path" ]
do
    ls=\$( ls -ld "\$app_path" )
    link=\${ls#*' -> '}

//sysnb	Setreuid(ruid int, euid int) (err error)
//sysnb	Setsid() (pid int, err error)
//sysnb	Settimeofday(tp *Timeval) (err error)
//sysnb	Setuid(uid int) (err error)
//sys	Symlink(path string, link string) (err error)
//sys	Symlinkat(oldpath string, newdirfd int, newpath string) (err error)
//sys	Sync() (err error)
//sys	Truncate(path string, length int64) (err error)
//sys	Umask(newmask int) (oldmask int)

	SYS_REBOOT                   = 55  // { int reboot(int opt); }
	SYS_REVOKE                   = 56  // { int revoke(char *path); }
	SYS_SYMLINK                  = 57  // { int symlink(char *path, char *link); }
	SYS_READLINK                 = 58  // { ssize_t readlink(char *path, char *buf, size_t count); }
	SYS_EXECVE                   = 59  // { int execve(char *fname, char **argv, char **envv); }

	SYS_REBOOT                   = 55  // { int reboot(int opt); }
	SYS_REVOKE                   = 56  // { int revoke(char *path); }
	SYS_SYMLINK                  = 57  // { int symlink(char *path, char *link); }
	SYS_READLINK                 = 58  // { ssize_t readlink(char *path, char *buf, size_t count); }
	SYS_EXECVE                   = 59  // { int execve(char *fname, char **argv, char **envv); }

	}
	test := EvalSymlinksTest{"test/linkabswin", tmpDir[:3]}

	// Create the symlink farm using relative paths.
	testdirs := append(EvalSymlinksTestDirs, test)
	for _, d := range testdirs {
		var err error
		path := simpleJoin(tmpDir, d.path)
		if d.dest == "" {
			err = os.Mkdir(path, 0755)
		} else {
			err = os.Symlink(d.dest, path)
		}
		if err != nil {
			t.Fatal(err)
		}
	}

                    try {
                        realPath = realPath.toPath().toRealPath().toFile();
                    } catch (NoSuchFileException ignore) {
                        // resolve the potential symlink, if not found, fallback to do nothing.
                    }
                    builder.add(FileUtils.normalize(realPath));
                }
            }
            return builder.build();

	stopFn := globalSftpMetrics.log(r, f.AccessKey())
	defer stopFn(0, err)

	clnt, err := f.getMinIOClient()
	if err != nil {
		return err
	}

	switch r.Method {
	case "Setstat", "Rename", "Link", "Symlink":
		return sftp.ErrSSHFxOpUnsupported

	case "Rmdir":
		bucket, prefix := path2BucketObject(r.Filepath)
		if bucket == "" {
			return errors.New("deleting all buckets not allowed")
		}

	SYS_REBOOT                   = 55  // { int reboot(int opt); }
	SYS_REVOKE                   = 56  // { int revoke(char *path); }
	SYS_SYMLINK                  = 57  // { int symlink(char *path, char *link); }
	SYS_READLINK                 = 58  // { ssize_t readlink(char *path, char *buf, size_t count); }
	SYS_EXECVE                   = 59  // { int execve(char *fname, char **argv, char **envv); }

}

func Rmdir(path string) error {
	return unlinkat(_AT_FDCWD, path, _AT_REMOVEDIR)
}

//sys	symlinkat(oldpath string, newdirfd int, newpath string) (err error)

func Symlink(oldpath string, newpath string) (err error) {
	return symlinkat(oldpath, _AT_FDCWD, newpath)
}

func Unlink(path string) error {
	return unlinkat(_AT_FDCWD, path, 0)
}