Compilare: user.cpp: In function ‘int main()’: user.cpp:9: warning: format ‘%u’ expects type ‘unsigned int*’, but argument 3 has type ‘unsigned char*’ user.cpp:9: warning: format ‘%u’ expects type ‘unsigned int*’, but argument 4 has type ‘unsigned char*’ user.cpp:12: warning: format ‘%u’ expects type ‘unsigned int*’, but argument 3 has type ‘unsigned char*’ user.cpp:9: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:12: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result