Compilare: user.c: In function 'main': user.c:12: warning: format '%ld' expects type 'long int *', but argument 3 has type 'long long unsigned int *' user.c:38: warning: format '%ld' expects type 'long int', but argument 3 has type 'long long unsigned int' user.c:41: warning: format '%ld' expects type 'long int', but argument 3 has type 'long long unsigned int' user.c:46:2: warning: no newline at end of file