Send data between pipes in C with While loop

I'm trying to send data between two pipes, that will go from parent->child->parent->child etc and so on until I exit the loop. Right now I'm trying to just pass an integer and increment it for each read done on it. At the moment it seems like each process is only incrementing it's own value and it's read component isn't working correctly. Are my pipes setup wrong?I'm trying to send data between two pipes, that