Compilare: user.cpp: In function ‘int main()’: user.cpp:38:23: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(s, nMax, in); ^ user.cpp:42:31: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(s + l + 1, nMax, in); ^