Compilare: user.c:5:6: warning: return type of ‘main’ is not ‘int’ [-Wmain] void main(){ ^ user.c: In function ‘main’: user.c:8:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fi, "%hhd\n" , &n); ^ user.c:15:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%s\n",aux); ^ user.c:20:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%s\n",aux); ^