diff --git a/libc/include/sys/vfs.h b/libc/include/sys/vfs.h
new file mode 100644
index 0000000..4adaf5f
--- /dev/null
+++ b/libc/include/sys/vfs.h
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * 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.
+ *
+ * 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 _SYS_VFS_H_
+#define _SYS_VFS_H_
+
+#include <stdint.h>
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+__BEGIN_DECLS
+
+/* note: this corresponds to the kernel's statfs64 type */
+struct statfs {
+    uint32_t        f_type;
+    uint32_t        f_bsize;
+    uint64_t        f_blocks;
+    uint64_t        f_bfree;
+    uint64_t        f_bavail;
+    uint64_t        f_files;
+    uint64_t        f_ffree;
+    __kernel_fsid_t f_fsid;
+    uint32_t        f_namelen;
+    uint32_t        f_frsize;
+    uint32_t        f_spare[5];
+};
+
+#define  ADFS_SUPER_MAGIC      0xadf5
+#define  AFFS_SUPER_MAGIC      0xADFF
+#define  BEFS_SUPER_MAGIC      0x42465331
+#define  BFS_MAGIC             0x1BADFACE
+#define  CIFS_MAGIC_NUMBER     0xFF534D42
+#define  CODA_SUPER_MAGIC      0x73757245
+#define  COH_SUPER_MAGIC       0x012FF7B7
+#define  CRAMFS_MAGIC          0x28cd3d45
+#define  DEVFS_SUPER_MAGIC     0x1373
+#define  EFS_SUPER_MAGIC       0x00414A53
+#define  EXT_SUPER_MAGIC       0x137D
+#define  EXT2_OLD_SUPER_MAGIC  0xEF51
+#define  EXT2_SUPER_MAGIC      0xEF53
+#define  EXT3_SUPER_MAGIC      0xEF53
+#define  HFS_SUPER_MAGIC       0x4244
+#define  HPFS_SUPER_MAGIC      0xF995E849
+#define  HUGETLBFS_MAGIC       0x958458f6
+#define  ISOFS_SUPER_MAGIC     0x9660
+#define  JFFS2_SUPER_MAGIC     0x72b6
+#define  JFS_SUPER_MAGIC       0x3153464a
+#define  MINIX_SUPER_MAGIC     0x137F /* orig. minix */
+#define  MINIX_SUPER_MAGIC2    0x138F /* 30 char minix */
+#define  MINIX2_SUPER_MAGIC    0x2468 /* minix V2 */
+#define  MINIX2_SUPER_MAGIC2   0x2478 /* minix V2, 30 char names */
+#define  MSDOS_SUPER_MAGIC     0x4d44
+#define  NCP_SUPER_MAGIC       0x564c
+#define  NFS_SUPER_MAGIC       0x6969
+#define  NTFS_SB_MAGIC         0x5346544e
+#define  OPENPROM_SUPER_MAGIC  0x9fa1
+#define  PROC_SUPER_MAGIC      0x9fa0
+#define  QNX4_SUPER_MAGIC      0x002f
+#define  REISERFS_SUPER_MAGIC  0x52654973
+#define  ROMFS_MAGIC           0x7275
+#define  SMB_SUPER_MAGIC       0x517B
+#define  SYSV2_SUPER_MAGIC     0x012FF7B6
+#define  SYSV4_SUPER_MAGIC     0x012FF7B5
+#define  TMPFS_MAGIC           0x01021994
+#define  UDF_SUPER_MAGIC       0x15013346
+#define  UFS_MAGIC             0x00011954
+#define  USBDEVICE_SUPER_MAGIC 0x9fa2
+#define  VXFS_SUPER_MAGIC      0xa501FCF5
+#define  XENIX_SUPER_MAGIC     0x012FF7B4
+#define  XFS_SUPER_MAGIC       0x58465342
+#define  _XIAFS_SUPER_MAGIC    0x012FD16D
+
+extern int statfs(const char *, struct statfs *);
+extern int fstatfs(int, struct statfs *);
+
+__END_DECLS
+
+#endif /* _SYS_VFS_H_ */