Function libgit2_sys::git_patch_from_blob_and_buffer

pub unsafe extern fn git_patch_from_blob_and_buffer(out: *mut *mut git_patch,
                                                    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,
                                                    opts: *const git_diff_options)
                                                    -> c_int