1 #include <sys/statfs.h> 2 #include <stdio.h> 3 4 int main(int argc,char **argv) 5 { 6 struct statfs diskInfo; 7 8 9 statfs("/bin/about.elf", &diskInfo); 10 unsigned long long blocksize1 = diskInfo.f_bsize; //每个block里包含的字节数 11 unsigned long long totalsize = blocksize1 * diskInfo.f_blocks;//总的字节数，f_blocks为block的数目 12 printf("Total_size=%llu B =%llu KB =%llu MB = %llu GB\n", 13 totalsize,totalsize>>10,totalsize>>20, totalsize>>30); 14 15 /* 2.获取一下剩余空间和可用空间的大小 */ 16 unsigned long long freeDisk = diskInfo.f_bfree * blocksize1; //剩余空间的大小 17 unsigned long long availableDisk = diskInfo.f_bavail * blocksize1; //可用空间大小 18 printf("Disk_free=%llu MB =%llu GB Disk_available=%llu MB = %llu GB\n", 19 freeDisk>>20,freeDisk>>30,availableDisk>>20, availableDisk>>30); 20 21 22 printf("====================\n"); 23 printf("diskInfo address: %p\n", diskInfo); 24 printf("f_type= %lu\n", diskInfo.f_type); 25 printf("f_bsize = %lu\n", diskInfo.f_bsize); 26 printf("f_blocks = %d\n", diskInfo.f_blocks); 27 printf("f_bfree = %lu\n", diskInfo.f_bfree); 28 printf("b_avail = %d\n", diskInfo.f_bavail); 29 printf("f_files = %d\n", diskInfo.f_files); 30 printf("f_ffree = %lu\n", diskInfo.f_ffree); 31 printf("f_fsid = %ld\n", diskInfo.f_fsid); 32 printf("f_namelen = %ld\n", diskInfo.f_namelen); 33 printf("f_frsize = %ld\n", diskInfo.f_frsize); 34 printf("f_flags = %ld\n", diskInfo.f_flags); 35 return 0; 36 }