// Declare structure
struct gameSave;
int lifepoints;
int mapX;
int mapY;
end
// Put data in it
gameSave.lifePoints = 100;
gameSave.mapX = 4;
gameSave.mapY = 7;
// Write it to a file
save("data.sav", gameSave);
// Read it from a file
load("data.sav", gameSave);