Compilare: user.cpp:5: warning: non-local variable ‘<anonymous struct> cd [1000001]’ uses anonymous type user.cpp:7: warning: ‘typedef’ was ignored in this declaration user.cpp: In function ‘int main()’: user.cpp:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:16: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result