Compilare: user.c: In function ‘main’: user.c:9:5: warning: format ‘%ld’ expects argument of type ‘long int *’, but argument 3 has type ‘long long int *’ [-Wformat=] fscanf(f,"%ld",&t); ^ user.c:12:9: warning: format ‘%ld’ expects argument of type ‘long int *’, but argument 3 has type ‘long long int *’ [-Wformat=] fscanf(f,"%ld",&n); ^ user.c:14:9: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 3 has type ‘long long int’ [-Wformat=] fprintf(g,"%ld\n",s); ^ user.c:9:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%ld",&t); ^ user.c:12:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%ld",&n); ^