Compilare: user.c: In function ‘main’: user.c:20:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%hhd",&t); ^ user.c:22:17: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] { fscanf(f,"%d ",&n); ^ user.c:23:17: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d\n",&k); ^