Compilare: user.c: In function ‘main’: user.c:43: warning: unused variable ‘total’ user.c:36: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:37: 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 user.c:42: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:53: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:69: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result