include<filename>和#include"filename"的区别
2017-09-15 20:28
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对于#include<filename.h>,编译器先从标准库路径开始搜索filename.h，使得系统文件调用比较快；
对于#include"filename.h"，编译器先从用户的工作路径开始搜索filename.h，后去寻找系统路径，使得自定义文件较快。所以在写代码的过程中要根据实际情况选择是<>还是""
对于#include"filename.h"，编译器先从用户的工作路径开始搜索filename.h，后去寻找系统路径，使得自定义文件较快。所以在写代码的过程中要根据实际情况选择是<>还是""
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