#include <stdio.h>
double sum_100(double *dates);
main()
{
    double dates[200], result;
    result = sum_100(dates);
}
double sum_100(double *pointer)
{
    double res;
    for(i=0;i<100;i++)
    {
        res=*pointer;
        pointer += 2*sizeof(double);
    }
}