1 #include <fcntl.h>
2 #include <stdio.h>
3 #include <stdlib.h>
4 #include <sys/stat.h>
5 #include <sys/types.h>
6 #include <unistd.h>
main()7 int main()
8 {
9 int fd = open("/bin/about.elf", O_RDONLY);
10 if (fd == -1)
11 return 0;
12 printf("fd = %d\n", fd);
13 struct stat *st = (struct stat *)malloc(sizeof(struct stat));
14 fstat(fd, st);
15 printf("stat size = %lu\n", sizeof(struct stat));
16 // FIXME 打印数据时内存出错
17 printf("====================\n");
18 printf("st address: %p\n", st);
19 printf("st_dev = %lu\n", (*st).st_dev);
20 printf("st_ino = %lu\n", (*st).st_ino);
21 printf("st_mode = %d\n", (*st).st_mode);
22 printf("st_nlink = %lu\n", (*st).st_nlink);
23 printf("st_uid = %d\n", (*st).st_uid);
24 printf("st_gid = %d\n", (*st).st_gid);
25 printf("st_rdev = %lu\n", (*st).st_rdev);
26 printf("st_size = %ld\n", (*st).st_size);
27 printf("st_blksize = %ld\n", (*st).st_blksize);
28 printf("st_blocks = %ld\n", (*st).st_blocks);
29 printf("st_atim.sec= %ld\tst_atim.nsec= %ld\n", (*st).st_atim.tv_sec, (*st).st_atim.tv_nsec);
30 printf("st_mtim.sec= %ld\tst_mtim.nsec= %ld\n", (*st).st_mtim.tv_sec, (*st).st_mtim.tv_nsec);
31 printf("st_ctim.sec= %ld\tst_ctim.nsec= %ld\n", (*st).st_ctim.tv_sec, (*st).st_ctim.tv_nsec);
32
33 return 0;
34 }