c - Dealing with structure double pointers in swig -

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i have function in c takes in double pointer typedef struct argument. example 

void func (my_struct ** example){...};

when using swig generate corresponding code in java, generating swigtype_p_p_my_struct class. wanted know how access elements of struct using class, , instantiate object of class. also, need include in interface file.

currently using below line @ end of interface file - 

%pointer_functions(my_struct, my_struct_p);


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