ref: c6356ca8fc3aa0486aa76dbffc000efa4601a1da
dir: /test/utils/InputStream.h/
#ifndef __INPUTSTREAM_H__
#define __INPUTSTREAM_H__
#include <cstddef>
struct InputStream {
virtual int read (void* ptr, size_t len) = 0;
};
#endif //__INPUTSTREAM_H__