Compilare: user.c: In function ‘main’: user.c:95:13: warning: unused variable ‘j’ [-Wunused-variable] int T, i, j; ^ user.c:104:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d\n", &T); ^ user.c:106:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%s\n", S); ^ user.c:107:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%s\n", st); ^ user.c:108:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%s\n", dr); ^