Compilare: user.cpp: In function ‘void citeste(int&)’: user.cpp:16:39: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread( buffer, D, 1, fin ); ^ user.cpp:24:39: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread( buffer, D, 1, fin ); ^