Point out the error in the following program. #include<stdio.h> #include<stdarg.h> void varfun(int n, ...); int main() { varfun(3, 7, -11, 0); return 0; } void varfun(int n, ...) { va_list ptr; int num; num = va_arg(ptr, int); printf("%d", num); }

• A. Error: ptr has to be set at begining
• B. Error: ptr must be type of
• C. <i class="C-code">va_list</i>
• D. Error: invalid access to list member
• E. No error