从Linux内核中的路径获取inode

#include<stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdlib.h>

int main(int argc, char *argv[]) {
    if (argc != 2) {
        printf("Usage: %s <path>\n", argv[0]);
        exit(1);
    }

    const char *path = argv[1];
    struct stat sb;

    if (stat(path, &sb) == -1) {
        perror("stat");
        exit(1);
    }

    printf("Inode number: %ld\n", (long) sb.st_ino);
    return 0;
}