void _main(){FILE * data;_union_type my_union;data=NULL;data=WFOPEN(L"file.txt", L"w+");my_union.a=data;{FILE * data=my_union.b;fclose(data);}}
static void main(){FILE * data;_union_type my_union;data=NULL;data=WFOPEN(L"file.txt", L"w+");my_union.a=data;{FILE * data=my_union.b;if (data!=NULL){fclose(data);}}}