Compilare: user.cpp: In function ‘int main()’: user.cpp:60:27: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(pattern,lim,fi); ^ user.cpp:61:26: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(string,lim,fi); ^