lvcast.c

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

// Copyright (C) 2002 Free Software Foundation
// Contributed by Matt Austern <[e-mail]>

// { dg-do compile }
// { dg-options -fpermissive }

void f ()
{
  int n;
  (char) n = 1;
}