1typedef struct 2{ 3 int v; 4 int h; 5} Point; 6 7typedef struct 8{ 9 int top, left, bottom, right; 10} Rect; 11 12int 13x_PtInRect (Point pt, Rect *r) 14{ 15 return pt.v >= r->top && pt.v < r->bottom 16 && pt.h >= r->left && pt.h < r->right; 17} 18