include

int main(int argc, char *argv[]) { double d = 123.123; int a = *(int *)(&d); int b = *((int *)(&d)+1); printf("a = %d\n", a); printf("b = %d\n", b); double e; *(int *)(&e) = a; *((int *)(&e)+1) = b; printf("e = %f\n", e); return 0; }