Compilare: user.c: In function ‘main’: user.c:11: warning: format ‘%s’ expects type ‘char *’, but argument 3 has type ‘char (*)[32]’ user.c:12: warning: implicit declaration of function ‘strlen’ user.c:12: warning: incompatible implicit declaration of built-in function ‘strlen’ user.c:16: warning: format ‘%d’ expects type ‘int’, but argument 3 has type ‘long long int’ user.c:7: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result