Compilare: user.c: In function 'main': user.c:12: warning: format '%d' expects type 'int *', but argument 3 has type 'long int *' user.c:15: warning: format '%s' expects type 'char *', but argument 3 has type 'char (*)[101]' user.c:16: warning: implicit declaration of function 'strlen' user.c:16: warning: incompatible implicit declaration of built-in function 'strlen' user.c:24:2: warning: no newline at end of file