Simple reading of binary data

[Matt]

On Saturday, 27 October 2012 at 11:06:09 UTC, Matt wrote:
> I'm having real trouble reading binary data from a file. I've 
> been trying to use the functions from std.stdio, but keep 
> running into problems. When I try;
>
> byte b;
> auto file = new File( "some binary file" );
> file.readf( "%d", &b );
>
> I get "Unexpected '€' when converting from type 
> LockingTextReader to type int"
> What functions do I use to read individual bytes, shorts, ints, 
> longs and the like?

And I've just managed to find the previous post on this topic. 
Sorry for wasting peoples time