C 语言最大难点揭秘[3]

        /********
  * ...
  * While this function uses heap memory, and so
  * temporarily might expand the over-all memory
  * footprint, it properly cleans up after itself.
  *
  ********/
        int f6(char *item1)
 {
     my_class c1;
     int result;
            ...
     c1 = new my_class(item1);
     ...
            result = c1.x;
     delete c1;
     return result;
 }

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