void _main(){twoints * data;_union_type my_union;twoints data_mainbuf[50];twoints data_goodbuf[100];data=data_mainbuf;my_union.a=data;{twoints * data=my_union.b;{twoints src[100];{size_t i;for (i=0;i < 100;i++){src[i].a=0;src[i].b=0;}}memmove(data, src, 100*sizeof(twoints));printStructLine(&data[0]);}}}
static void main(){twoints * data;_union_type my_union;twoints data_badbuf[50];twoints data_goodbuf[100];data=data_goodbuf;my_union.a=data;{twoints * data=my_union.b;{twoints src[100];{size_t i;for (i=0;i < 100;i++){src[i].a=0;src[i].b=0;}}memmove(data, src, 100*sizeof(twoints));printStructLine(&data[0]);}}}