ref: 60f81e0f0e9e2d5e1ef3a7c2bbfbe6f288f989f6 dir: /tests/0018-structptr.c/
int main() { struct S { int x; int y; } s; struct S *p; p = &s; s.x = 1; p->y = 2; return p->y + p->x - 3; }