Compilare: main.c: In function 'main': main.c:23:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf (fis, "%d", & n); ^~~~~~~~~~~~~~~~~~~~~~~ main.c:24:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf (fis, "%d", & p); ^~~~~~~~~~~~~~~~~~~~~~~ main.c:27:6: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] {fscanf(fis, "%s", s); ^~~~~~~~~~~~~~~~~~~~