pasted code

main.c

+#include <stdio.h>
+
+typedef struct point {
+    float x;
+    float y;
+} point;
+
+typedef struct square {
+    point corners[4];
+} square;
+
+void setPoint(square*,int,float,float);
+void printSquare(square);
+
+int main(void) {
+
+  square my_square;
+
+  setPoint(&my_square,0,1.0,1.0);
+  setPoint(&my_square,1,4.0,1.0);
+  setPoint(&my_square,2,4.0,4.0);
+  setPoint(&my_square,3,1.0,4.0);
+
+  printSquare(my_square);
+  return 0;
+}
+
+void setPoint(square *a_square,int corner,float x,float y)
+{
+  a_square->corners[corner].x = x;
+  a_square->corners[corner].y = y;
+}
+
+void printSquare(square a_square)
+{
+  for (int i=0; i<4; i++)
+  {
+    printf("Corner %d (%f,%f)\n", i, a_square.corners[i].x, a_square.corners[i].y);
+  }
+
+}