typedef1.c

this is a gcc file, you can download it and learn its usetility, for further detail please look at t

// Build don't link:

// Copyright (C) 1999 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 31 Mar 1999 <[e-mail]>

// Make sure we see through typedefs.

typedef int Int;

void fn()
{
  int *p;
  Int *&pr2 = p;
}