A question about typedef!

[Doug Gwyn]

In article <1990Nov20.153907.12373 at mathrt0.math.chalmers.se> d0thomas at dtek.chalmers.se (Thomas Lundqvist) writes:
>Hello! Could someone please tell me the difference between:
>struct TEST { int a; };
>typedef struct { int a; } TEST

The first declares a structure tag, the second (assuming you provide a
terminating semicolon) declares a synonym for a tagless structure.

K&R probably explains this.