Compilare: user.c: In function ‘main’: user.c:106: warning: format ‘%d’ expects type ‘int’, but argument 3 has type ‘long int’ user.c:109: warning: format ‘%d’ expects type ‘int’, but argument 3 has type ‘long int’ user.c:112: warning: format ‘%d’ expects type ‘int’, but argument 3 has type ‘long int’ user.c:92: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:95: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:97: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:100: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:101: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result