getfunction()
Description
      This attempts to locate a function name in any of the loaded modules. A module
      is any compiled unit (library) of which there may be many. This will also
      find functions that are not exported, so it is important to make sure
      that the function that you are searching for has a unique name. If found
      it returns the function as a reference, otheriwse returns
      .nul. 
    
Prototype
      getfunction (
      string sFuncname
Parameters
| Parameter | Default value | Type name | Description | 
|---|---|---|---|
| sFuncname | None | string | 


