static FILE * main_source(FILE * data){data=freopen("BadSource_freopen.txt","w+",stdin);fclose(data);return data;}void _main(){FILE * data;data=main_source(data);fclose(data);}
static FILE * main_source(FILE * data){data=freopen("BadSource_freopen.txt","w+",stdin);fclose(data);return data;}static void main(){FILE * data;data=main_source(data);}