On 8 April 2011 10:22, <rina@xxxxxxxxxxxx> wrote: > > Hello Sir/Madam > > I have 80 c code developed in gcc compier of which one main code that is > calling all c code functions.Now I want to make dll of this code. Could > you please me the process of making "Dll" and step.I have tried myself, > but i didn't get success to make dll. > It is very help full to me and for this favor, i will > be grateful to u. You haven't provided relevant information such a which operating system you're using, but this document might help you: http://tldp.org/HOWTO/Program-Library-HOWTO/shared-libraries.html#AEN95 A web search will give you lots of other web pages describing how to do it.