#ifndef _SYS_VFS_H
#define _SYS_VFS_H
#include <sys/types.h>
struct statfs {
    long f_type; long f_bsize; long f_blocks; long f_bfree;
    long f_bavail; long f_files; long f_ffree; long f_fsid;
    long f_namelen;
};
int statfs(const char* path, struct statfs* buf);
int fstatfs(int fd, struct statfs* buf);
#endif