What will be the output of the program? #include #include void display(int num, ...); int main() { display(4, 'A', 'B', 'C', 'D'); return 0; } void display(int num, ...) { char c, c1; int j; va_list ptr, ptr1; va_start(

What will be the output of the program?

#include<stdio.h>
#include<stdarg.h>
void display(int num, ...);

int main()
{
display(4, 'A', 'B', 'C', 'D');
return 0;
}
void display(int num, ...)
{
char c, c1; int j;
va_list ptr, ptr1;
va_start(ptr, num);
va_start(ptr1, num);
for(j=1; j<=num; j++)
{
c = va_arg(ptr, int);
printf("%c", c);
c1 = va_arg(ptr1, int);
printf("%d\n", c1);
}
}