问题
This answer specifies how to do this. It is also my understanding that <sys/stat.h> is only available on POSIX, whereas any operating system worth using supports <stdio.h>. Is there a cross platform way to check if a path-specified object is a file or directory in C?
来源：https://stackoverflow.com/questions/62312279/is-there-a-cross-platform-way-to-check-if-an-object-specified-in-a-path-is-a-dir