Quoting Niklas Hallqvist,

> Where exec_opt is a special structure looking like:

> struct exec_opt {
> 	int	eo_type;
> 	union eo_data {
> 		long	eo_val;
> 		void	*eo_ptr;
> 		void	(*eo_fcn)();
> 	} eo_un;
> };

Rereading this, one question came to my mind: what is the exact function
of the fields in the eo_data union? Especially the function pointer
strikes me as a bit odd (execvee() is a system call after all).

- Frank