#include typedef struct position{ int x; int y; } Position; int main (){ Position p1,p2; p1.x = 1; p1.y = 2; p2 = p1; p2.x = 3; printf("p1.x = %d\np1.y = %d\np2.x = %d\np2.y = %d\n", p1.x,p1.y,p2.x,p2.y); return 0; }