void _main(){char * data;_union_type my_union;data=NULL;data=(char *)malloc(50*sizeof(char));my_union.a=data;{char * data=my_union.b;{char src[100];strcat(data, src);printLine(data);free(data);}}}
static void main(){char * data;_union_type my_union;data=NULL;data=(char *)malloc(100*sizeof(char));my_union.a=data;{char * data=my_union.b;{char src[100];strcat(data, src);printLine(data);free(data);}}}