C++程序  |  48行  |  968 B

#pragma once

#ifdef __cplusplus
extern "C" {
#endif

#include <features.h>

#define __NEED_fsblkcnt_t
#define __NEED_fsfilcnt_t
#include <bits/alltypes.h>

#include <endian.h>

struct statvfs {
    unsigned long f_bsize, f_frsize;
    fsblkcnt_t f_blocks, f_bfree, f_bavail;
    fsfilcnt_t f_files, f_ffree, f_favail;
#if __BYTE_ORDER == __LITTLE_ENDIAN
    unsigned long f_fsid;
    unsigned : 8 * (2 * sizeof(int) - sizeof(long));
#else
    unsigned : 8 * (2 * sizeof(int) - sizeof(long));
    unsigned long f_fsid;
#endif
    unsigned long f_flag, f_namemax;
    int __reserved[6];
};

int statvfs(const char* __restrict, struct statvfs* __restrict);
int fstatvfs(int, struct statvfs*);

#define ST_RDONLY 1
#define ST_NOSUID 2
#define ST_NODEV 4
#define ST_NOEXEC 8
#define ST_SYNCHRONOUS 16
#define ST_MANDLOCK 64
#define ST_WRITE 128
#define ST_APPEND 256
#define ST_IMMUTABLE 512
#define ST_NOATIME 1024
#define ST_NODIRATIME 2048

#ifdef __cplusplus
}
#endif