Function vfs_dstatvfs

pub unsafe extern "C" fn vfs_dstatvfs(
    dirp: *mut vfs_DIR,
    buf: *mut statvfs,
) -> c_int

@brief Get file system status of the file system containing an open directory

@param[in] dirp pointer to open directory @param[out] buf pointer to statvfs struct to fill

@return 0 on success @return <0 on error