pub unsafe extern "C" fn lzma_block_buffer_decode(
block: *mut lzma_block,
allocator: *const lzma_allocator,
in_: *const u8,
in_pos: *mut usize,
in_size: usize,
out: *mut u8,
out_pos: *mut usize,
out_size: usize,
) -> lzma_ret