Compilare: main.c: In function 'main': main.c:9:16: warning: format '%ld' expects argument of type 'long int *', but argument 3 has type 'long long int *' [-Wformat=] fscanf(in, "%ld", &p); ^ main.c:9:2: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%ld", &p); ^~~~~~~~~~~~~~~~~~~~~ main.c:34:6: warning: 's' may be used uninitialized in this function [-Wmaybe-uninitialized] if (s != p) ^