groonga/groonga — pull request #253 by cosmo0920 (2014-11-29 05:53:52+00:00)
Title: grn.h OS X: OS X does not have off64_t

OS X's `off_t` is already 64bit.

```c
/usr/include/sys/_types/_off_t.h
30:typedef __darwin_off_t	off_t;

/usr/include/sys/_types.h
110:typedef __int64_t	__darwin_off_t;	/* [???] Used for file sizes
*/
```