Compilare: user.c: In function ‘writeCsvContent’: user.c:30:10: warning: unused variable ‘delimiters’ [-Wunused-variable] char delimiters[] = ",: \""; ^ user.c: In function ‘writeCsvHeader’: user.c:14:10: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(buffer, N, fin); ^ user.c: In function ‘writeCsvContent’: user.c:35:10: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(buffer, N, fin); ^