Function rocks_sys::rocks_writebatch_iterate

pub unsafe extern "C" fn rocks_writebatch_iterate(
    b: *mut rocks_writebatch_t, 
    state: *mut c_void, 
    put: Option<unsafe extern "C" fn(_: *mut c_void, _: *const c_char, _: usize, _: *const c_char, _: usize)>, 
    deleted: Option<unsafe extern "C" fn(_: *mut c_void, _: *const c_char, _: usize)>
)