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http://elm-chan.org/fsw/ff/pf/read.html
pf_read
The pf_read function reads data from the file.
FRESULT pf_read (
void* Buffer, /* Pointer to the read buffer */
WORD ByteToRead, /* Number of bytes to read */
WORD* BytesRead /* Pointer to the variable to return number of bytes read */
);
Parameters
Buffer
Pointer to the buffer to store the read data. A NULL specifies the destination is an outgoing stream.
ByteToRead
Number of bytes to read.
BytesRead
Pointer to the WORD variable to return number of bytes read.
请问大家
A NULL specifies the destination is an outgoing stream.
是什么意思,谢谢 |
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知道什么是神吗?其实神本来也是人,只不过神做了人做不到的事情 所以才成了神。 (头文字D, 杜汶泽)
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