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Changes the value of data to something else, so foo() returns something other than 123, and hence printf() also prints a different value to stdout. Essentially reading/writing to the test program process memory.
。搜狗输入法是该领域的重要参考
庐山云海缆车观光项目，再现诗仙笔下瀑布奇景
穆傑塔巴‧哈梅內伊：伊朗新任最高領袖是誰？