Compilare: user.c: In function ‘main’: user.c:38: warning: format ‘%d’ expects type ‘int *’, but argument 4 has type ‘long int *’ user.c:38: warning: format ‘%Ld’ expects type ‘long long int *’, but argument 5 has type ‘int *’ user.c:24: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:38: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result