C Programming - Variable Number of Arguments - Discussion

#include<stdio.h>
#include<stdarg.h>
void display(char *s, ...);
int fun1();
int fun2();

int main()
{
    int (*p1)();
    int (*p2)();
    p1 = fun1;
    p2 = fun2;
    display("IndiaBIX", p1, p2);
    return 0;
}
void display(char *s, ...)
{
    int (*pp1)();
    int (*pp2)();
    va_list ptr;

    va_start(ptr, s);
    pp1 = va_arg(ptr, int(*)());
    (*pp1)();

    pp2 = va_arg(ptr, int(*)());
    (*pp2)();

}
int fun1()
{
    printf("Hello");
}
int fun2()
{
    printf("Hi");
}