#include <stdio.h>
#include <math.h>
//#include <conio.h>

void main () {
void parallel (float rT);
void series (int rT);
	char mode;
	int r1,r2,rS; /*Get all the values we need */
	printf("Input resistor value 1\n");
	scanf("%u",r1);
	printf("Input resistor value 2\n");
	scanf("%u",r2);
	rS = r1 + r2;
	printf("Press 1 for parallel resistors\n\nPress 2 for serial resistors\n"); /*Ask for mode*/
		switch (mode) {
			case 1:
				parallel(r1,r2,rS);
				printf("Total resistance is %.2f\n",&rT);
			break;
			case 2:
				series(r1,r2,rS);
				printf("Total resistance is %u\n",&rT);
			break;
		}
	parallel(float rT) {
		int rM;
		float rT;
		rM = r1 * r2;
		rT = rM / rS;
	}
	series(int rT) {
		/* blah */
		rT=rS;
	}
	mode=getche();
}