Compilare: user.c: In function 'cit': user.c:37: warning: format '%d' expects type 'int *', but argument 3 has type 'long unsigned int *' user.c: In function 'init': user.c:65: warning: unused variable 'lim' user.c: In function 'tip': user.c:132: warning: format '%d' expects type 'int', but argument 3 has type 'long unsigned int' user.c:138: warning: format '%d' expects type 'int', but argument 3 has type 'long unsigned int'