Function libgit2_sys::git_diff_blob_to_buffer

pub unsafe extern fn git_diff_blob_to_buffer(old_blob: *const git_blob,
                                             old_as_path: *const c_char,
                                             buffer: *const c_char,
                                             buffer_len: size_t,
                                             buffer_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