Compilare: user.c: In function ‘main’: user.c:85:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d%d%d", &A, &B, &dig, &freq ); ^ user.c:111:12: warning: ‘numarator’ may be used uninitialized in this function [-Wmaybe-uninitialized] fprintf( fout, "%.4f\n", 1.00 * numarator / numitor ); ^