Hi Andrew,

 > +	out_buf[pos++] = 0;
> +	out_buf[pos++] = '(';
> +	memcpy(out_buf + pos, signature, strlen(signature));
> +	pos += strlen(signature);
> +	out_buf[pos++] = ')';

Is this written down anywhere?  Why is the body enclosed in a structure?

Do we handle this structure in the parsing phase somewhere?  Can't seem 
to locate that.

> +	write_word_le(out_buf + pos, header_end, offset_size);
> +}
>

Regards,
-Denis