test.lc

typedef struct {
  int val;
} coord;

typedef struct {
  coord x;
  coord y;
} point;

typedef struct {
  point start;
  point end;
} line;

typedef struct {
  int a;
  int b;
  boolean c;
} foo;

sample struct {
  line l1;
  line l2;
  foo  f;
} twoLines;