The "position" is the same: as you said, "between" the type and variable. The position of some operators matter, like ++ and --. The difference with those three is with the spaces, which are optional
byte*ptr; // fourth variant -- do not use
as with
x=a+b+c+d; // spaces would help readability
and even
x=a++ +b;
x=a+ ++b;
x=a+++b; // no really, don't do this -- auto-format does the right thing