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Show First 20 Lines • Show All 77 Lines • ▼ Show 20 Lines	int null_close(struct open_file *f)
return 0;		return 0;
}		}

int null_read (struct open_file f, void buf, size_t size, size_t *resid)		int null_read (struct open_file f, void buf, size_t size, size_t *resid)
{		{
return EIO;		return EIO;
}		}

int null_write (struct open_file f, void buf, size_t size, size_t *resid)		int null_write (struct open_file f, const void buf, size_t size, size_t *resid)
{		{
return EIO;		return EIO;
}		}

off_t null_seek (struct open_file *f, off_t offset, int where)		off_t null_seek (struct open_file *f, off_t offset, int where)
{		{
errno = EIO;		errno = EIO;
return -1;		return -1;
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