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type p_char = ^char; var &nb

[填空题]
type
  p_char = ^char;
var
  c1, c2 : char;
  p1, p2 : p_char;
procedure fun(a, b : p_char);
begin
  a := b;
  inc(a^);
end;
begin
  c1 := 'A';
  c2 := 'a';
  p1 := @c1;
  p2 := @c2;
  fun(p1, p2);
  writeln(c1, c2);
end.

输出:1

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