Someone

double avg(int first,...) {    cout << "do we segfault here?";    int count = 0, sum= 0, i= first;    cout << "do we segfault here 2?";    va_list marker;    cout << "do we segfault here 3?";    va_start(marker, first);    while ( i != -1) {        sum+=i;        count++;        i=va_arg(marker, int);    }    va_end(marker);    return ( sum ? (sum/count) : 0 );}