int s[2], pid;
pipe(s);
if (!(pid = fork()))
{
	// stdout -> Read
	close(1);
	dup(s[1]);
	close(s[0]);

	// setup read & write handles
	execv(Exe, Args);
}

while (!exited(pid))
{
	// read from pid's stdout... IF there is data 
	// available. On linux you can use poll
}