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mysql_fetch_row返回值问题

WBOY
Release： 2016-06-06 09:35:08
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mysql

如题，我想根据他的返回值判断是否查询到了记录，看手册说如果没有返回NULL，但是实际操作有段错误，atoi转换之后让他==0，也是段错误，求助大神们，这个函数的返回值应该怎么判断出错

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