Ensure we have the off64_t variant of every function that takes an off_t.

Change-Id: Ib2eee0cf13162be3b62559b84e90c6dcf5aab1c3

libc/include/sys/sendfile.h

@@ -25,6 +25,7 @@
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
+
 #ifndef _SYS_SENDFILE_H_
 #define _SYS_SENDFILE_H_
 
@@ -33,7 +34,8 @@
 
 __BEGIN_DECLS
 
-extern ssize_t sendfile(int out_fd, int in_fd, off_t *offset, size_t count);
+extern ssize_t sendfile(int out_fd, int in_fd, off_t* offset, size_t count);
+extern ssize_t sendfile64(int out_fd, int in_fd, off64_t* offset, size_t count);
 
 __END_DECLS
 

libc/include/sys/types.h

@@ -65,7 +65,7 @@ typedef __kernel_nlink_t	 nlink_t;
 typedef __kernel_off_t       off_t;
 #endif
 typedef __kernel_loff_t      loff_t;
-typedef loff_t               off64_t;  /* GLibc-specific */
+typedef loff_t               off64_t;
 
 typedef __kernel_pid_t		 pid_t;
 

libc/include/unistd.h

@@ -122,6 +122,7 @@ extern int chown(const char *, uid_t, gid_t);
 extern int fchown(int, uid_t, gid_t);
 extern int lchown(const char *, uid_t, gid_t);
 extern int truncate(const char *, off_t);
+extern int truncate64(const char *, off64_t);
 extern char *getcwd(char *, size_t);
 
 extern int sync(void);