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int main()
{
    rename(¡±/tmp/abc¡±,¡±/tmp/bcd¡±);
    perror(¡±why:¡±);
} ´Ë³ÌÐòÔËÐÐÒ»ÇÐÕý³£¡£ ×Ô¼º½«Â·¾¶ÐÞ¸ÄΪ²»Í¬µÄ·ÖÇøÖ®¼äÒÆ¶¯£¬»òÕß½«Í¬Ò»·ÖÇø¹ÒÔØµ½²»Í¬µÄmountµã½øÐÐrename¡£
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oldpath and newpath are not on the same mounted filesystem.  (Linux permits  a  filesystem  to  be
              mounted at multiple points, but rename(2) does not work across different mount points, even if the
              same filesystem is mounted on both.) ÔÚWindowsÉϳ¢ÊÔ£º
rename(¡±C:\\a.txt¡±,¡±D:\\b.txt¡±); works!!   fangjtan£º µ±rename£¨oldpath£¬¡°1¡±£©£»Ôò½«oldpathµÄÎļþÒÆ¶¯µ±Ç°Ä¿Â¼£¬ÇÒÎļþÃû¸üÃûΪ1£» À´×Ô£ºhttp://www.linux-ren.org/modules/everestblog/?p=141


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#include <linux/types.h> /* for size_t */
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