Compilare: user.cpp: In function 'int main()': user.cpp:65: warning: format '%d' expects type 'int*', but argument 2 has type 'unsigned char*' user.cpp:65: warning: format '%d' expects type 'int*', but argument 3 has type 'unsigned char*' user.cpp: In function 'int verif()': user.cpp:39: warning: control reaches end of non-void function