[英]`dirent.h` in multiple directories
I searched dirent
to find C routines我搜索了
dirent
以找到 C 例程
find / -iregex ".*/dirent.h$" 2>/dev/null
Which return series of identical ones哪个返回系列相同的
/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/dirent.h
/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/sys/dirent.h
/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/System/Library/Frameworks/Kernel.framework/Versions/A/Headers/sys/dirent.h
/Applications/Xcode.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/usr/include/dirent.h
How could I ensure which dirent.h
is the one my program invoke?我如何确保哪个
dirent.h
是我的程序调用的那个?
If you get the compiler to show you the code after pre-processing, you should be able to work it out.如果你让编译器在预处理后向你展示代码,你应该能够解决它。
So, for example, with gcc
, you can write a nominal program.c
:因此,例如,使用
gcc
,您可以编写一个名义上的program.c
:
#include <dirent.h>
main(int argc, char **argv){
return 0;
}
And then run:然后运行:
gcc -E program.c
and study what it includes.并研究它包括什么。
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