As I understand, you have multiple analog sensors you want to read. So your code should look something like this:
// assuming sensors are on A0, A1, A2, Ax
sensorPins [] = {A0, A1, A2};
int sensorNum = 3;
for(int x = 0; x < sensorNum; x++){
readSensor(x);
}
Something like that should work for you.