The fmemopen() function gives you a stdio FILE * object that refers to a buffer in memory. Replacing the open of test.jpg with a single call to fmemopen solves half the problem

fmemopen()函数提供了一个stdioFILE *对象，该对象表示内存中的一个缓冲区。

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The fmemopen() function gives you a stdio FILE * object that refers to a buffer in memory. Replacing the open of test.jpg with a single call to fmemopen solves half the problem

fmemopen()函数提供了一个stdioFILE *对象，该对象表示内存中的一个缓冲区。

youdao