Compilare: user.cpp: In function ‘int GetInt()’: user.cpp:20:53: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] if (++ptr>=maxb) fread(buf,maxb,1,fin),ptr=0; ^ user.cpp:24:53: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] if (++ptr>=maxb) fread(buf,maxb,1,fin),ptr=0; ^