void _main(){twoints * data;data=(twoints *)realloc(data, 100);{twoints * data_copy=data;twoints * data=data_copy;data[0].a=1;data[0].b=1;printStructLine(&data[0]);free(data);}}
static void main(){twoints * data;data=(twoints *)realloc(data, 100);{twoints * data_copy=data;twoints * data=data_copy;if (data!=NULL){data[0].a=1;data[0].b=1;printStructLine(&data[0]);free(data);}}}