在C ++中将Object的地址转换为char *或char数组

I am creating a simulated mobile network using named pipes for information transportation between processes. I had the idea of creating a frame class to hold the data I needed and to pass the address of that frame into the pipes. The only thing I cant figure out to save my life is how to convert the address of my frame into a character pointer in order to pass it into the write() function. This is an outline of what I have so far:I am creating a simulated mobile network using