mount-util: move fstype_is_network() and name_to_handle_at() definitions over

src/basic/mount-util.h

@@ -21,8 +21,13 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
-#include <stdbool.h>
+#include <fcntl.h>
 #include <mntent.h>
+#include <stdbool.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include "missing.h"
 
 int fd_is_mount_point(int fd, const char *filename, int flags);
 int path_is_mount_point(const char *path, int flags);
@@ -34,3 +39,12 @@ int mount_move_root(const char *path);
 
 DEFINE_TRIVIAL_CLEANUP_FUNC(FILE*, endmntent);
 #define _cleanup_endmntent_ _cleanup_(endmntentp)
+
+bool fstype_is_network(const char *fstype);
+
+union file_handle_union {
+        struct file_handle handle;
+        char padding[sizeof(struct file_handle) + MAX_HANDLE_SZ];
+};
+
+#define FILE_HANDLE_INIT { .handle.handle_bytes = MAX_HANDLE_SZ }