// An example of a C program with a recursive function

#include <stdio.h>

int sum_to(int n);

int main(void) {
    int max = 10;
    int result = sum_to(max);
    printf("Sum 1.. %d = %d\n", max, result);
    return 0;
}

int sum_to(int n) {
    int ret;
    int result;

    if(n != 0) goto sum_to__else;
    ret = 0;
    goto sum_to__end;
sum_to__else:
    result = sum_to(n-1);
    ret = n + result;   
sum_to__end:
    return ret;
}