#include <stdio.h>

long double mem(void *x, int size, int arr_size)
{
	int i=0;
	long double sum=0;
	char temp[arr_size];
	switch(size)
	{
		case sizeof(char):
			{
				while (i<arr_size)
				{
					temp[i] = x[i];
					i++;
				}
			}
	}
	i = 0;
	while (i < arr_size)
	{
		sum = sum + (long double)temp[i];
		i++;
	}
	printf("sum = %Lf\n", sum);
	return sum;
}

int main()
{
	long double sum;
	char x[10] = {1,2,3,4,5,6,7,8,9,10};
	sum = mem(x, sizeof(char), 10);
	return 0;
}