typedef struct { double x, y; } p;typedef struct { int s; float r; } t;t *e, i;int i1;f(t *op){int i2 = e->r;p pt;int c = g();t p;if (c){i = *e;e -= 3;return 8;}if (op > e)return 1;op->r = pt.x;op->r = pt.y;p = *e;++e;e->r = i1, e->s = i1;*++e = p;return 3;}