/* There is a Q function (Q for Question) for each such syscall;
* it constructs a string representing the call, and calls Q_str
* on it, or constructs it in vb and calls Q_vb;
/* There is a Q function (Q for Question) for each such syscall;
* it constructs a string representing the call, and calls Q_str
* on it, or constructs it in vb and calls Q_vb;