Simple Function To Get A Single Digit From A Number At A Index

main.c

#include <stdlib.h>
#include <stdio.h>

int GetDigitAtIndex(int index, int num) {
	int dig = 0, i = 0;
	while(num > 0) {
		dig = num % 10;
		num = num / 10;
		if (i == index) return dig;
		i++;
	}
	return -1;
}

int main(void) {
	int AppVersion = 364;
	printf(
		"Application Version %d.%d.%d\n",
		GetDigitAtIndex(2, AppVersion),
		GetDigitAtIndex(1, AppVersion),
		GetDigitAtIndex(0, AppVersion)
	);

	return 0;
}