Compilare: user.cpp: In function ‘int main()’: user.cpp:42:23: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[256]’ [-Wformat=] fscanf(fi,"%s", &v); ^ user.cpp:55:37: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[256]’ [-Wformat=] fscanf(fi,"%s\n", &func[c - 'A']); ^ user.cpp:42:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%s", &v); ^ user.cpp:48:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d", &x); ^ user.cpp:55:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%s\n", &func[c - 'A']); ^ user.cpp:60:41: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%s\n", func[c - 'A']); ^