static twoints * main_source(twoints * data){data=NULL;return data;}void _main(){twoints * data;data=NULL;data=main_source(data);printStructLine(data);}
static twoints * main_source(twoints * data){{twoints tmp;tmp.a=0;tmp.b=0;data=&tmp;}return data;}static void main(){twoints * data;data=NULL;data=main_source(data);printStructLine(data);}