#include <stdio.h> struct point{   double x;   double y;}; struct point point_array[100]; int main(){   int my_point = 10;    point_array[my_point].x = 12.34;   point_array[my_point].y = 56.78;    printf("%f, %f\n", point_array[my_point].x, point_array[my_point].y);    return 0;} /* vim: set expandtab ts=4 sw=3 sts=3 tw=80 :*/