Wireshark-dev: Re: [Wireshark-dev] How to dissect bit information??
From: Stephen Fisher <[email protected]>
Date: Fri, 15 Dec 2006 10:12:00 -0800
On Fri, Dec 15, 2006 at 01:47:32PM +0530, [email protected] wrote:

> Could you also explain in detail about the RANGE_STRING

Have you checked doc/README.developer for the range_string information?  
It is just like a value_string, but lets you specify a range of values 
to map to a string.

> and the statement length = tvb_length(tvb).

In what context?  Basically, that assigns the variable length to the 
length of the tvb that contains your packet's data.