How to best return a string from C to CPython 2.5?

[dylan.fun@gmail.com]

I'm trying to return a Python string from a C++ function (actually
inside gnuradio) using CPython 2.5. My C++ function is declared like:

typedef struct {
int size;
unsigned char *data;
} STRING

STRINGBUF myfunc(std::str ing s)
{
STRINGBUF buf;