Compilare: main.c: In function 'main': main.c:19:2: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(puf, "%d", &T); ^~~~~~~~~~~~~~~~~~~~~ main.c:47:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(puf, "%d", &N); ^~~~~~~~~~~~~~~~~~~~~ main.c:61:4: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(puf, "%s", sir); ^~~~~~~~~~~~~~~~~~~~~~