Compilare: user.cpp: In member function ‘void Reader::advanceCursor()’: user.cpp:37:38: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buf, kSize, 1, fin); ^ user.cpp: In function ‘int main()’: user.cpp:112:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("shukarime.out", "w", stdout); ^ user.cpp: In constructor ‘Reader::Reader(const char*)’: user.cpp:19:34: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buf, kSize, 1, fin); ^