JM> I received a program which uses memcpy to copy from one variable to
 JM> another which are built on the same structure.  Other than doing the
 JM> copy the hard way, what function can I use?

With C++, just use the assignment operator.  For POD structures, this
performs a memberwise copy.

        struct A {
                int i ;
                long l ;
        } ;

        A a = { 1, 2 } ;
        A b = { 3, 4 } ;

        b = a ;

 ¯ JdeBP ®

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