/* plainInts.c */

#include <stdio.h>

int x, y;

void setCoords(int xValue, int yValue);

int main() {
  x = 90;
  y = 270;  
  printf("After init x is: %d, y is: %d\n", x, y);
  setCoords(1000, 1000);
  printf("After setCoords() x is: %d, y is %d\n", x, y);
}

void setCoords(int xValue, int yValue) {
  x = xValue;
  y = yValue;
}