When I added rename operations, at the time it seemed like a good idea to make the last argument (which would otherwise have been const char *oldpath) optional.
添加重命名操作在那时就像是添加最后一个可选参数（否则可能应为 constchar *oldpath）一样，算是很好的主意。
When I added rename operations, at the time it seemed like a good idea to make the last argument (which would otherwise have been const char *oldpath) optional.
添加重命名操作在那时就像是添加最后一个可选参数（否则可能应为 constchar *oldpath）一样，算是很好的主意。
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