Function libgit2_sys::git_diff_buffers

pub unsafe extern fn git_diff_buffers(old_buffer: *const c_void,
                                      old_len: size_t,
                                      old_as_path: *const c_char,
                                      new_buffer: *const c_void,
                                      new_len: size_t,
                                      new_as_path: *const c_char,
                                      options: *const git_diff_options,
                                      file_cb: git_diff_file_cb,
                                      binary_cb: git_diff_binary_cb,
                                      hunk_cb: git_diff_hunk_cb,
                                      line_cb: git_diff_line_cb,
                                      payload: *mut c_void)
                                      -> c_int