Question 1.

What will initialize the list of arguments in stdarg.h header file?

Question 2.

Which header file should you include if you are to develop a function that can accept variable 

number of arguments?

Question 3.

What is the output of this program?

1.
#include
2.
#include
3.
using namespace std;
4.
int flue(char c,...);
5.
int main()
6.
{
7.
int x, y;
8.
x = flue('A', 1, 2, 3);
9.
y = flue('1', 1.0,1, '1', 1.0f, 1l);
10.
cout

Question 4.

What is the output of this program?

1.
#include
2.
#include
3.
using namespace std;
4.
void dumplist(int, ...);
5.
int main()
6.
{
7.
dumplist(2, 4, 8);
8.
dumplist(3, 6, 9, 7);
9.
return 0;
10.
}
11.
void dumplist(int n, ...)
12.
{
13.
va_list p;
14.
int i;
15.
va_start(p, n);
16.
while (n-->0) {
17.
i = va_arg(p, int);
18.
cout

Question 5.

What is the output of this program?

1.
#include
2.
#include
3.
using namespace std;
4.
int add (int num, ...)
5.
{
6.
int sum = 0;
7.
va_list args;
8.
va_start (args,num);
9.
for (int i = 0; i < num; i++) {
10.
int num = va_arg (args,int);
11.
sum += num;
12.
}
13.
va_end (args);
14.
return sum;
15.
}
16.
int main (void)
17.
{
18.
int total = add(8, 1, 2, -1, 4, 12, -2, 9, 7);
19.
cout

Question 6.

What is the maximum number of arguments or parameters that can be
present in one function call?

Question 7.

How can you access the arguments that are manipulated in the function?

Question 8.

What is the output of this program?

1.
#include
2.
#include
3.
using namespace std;
4.
float avg( int Count, ... )
5.
{
6.
va_list Numbers;
7.
va_start(Numbers, Count);
8.
int Sum = 0;
9.
for (int i = 0; i < Count; ++i )
10.
Sum += va_arg(Numbers, int);
11.
va_end(Numbers);
12.
return (Sum/Count);
13.
}
14.
int main()
15.
{
16.
float Average = avg(10, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9);
17.
cout

Question 9.

Which header file is used to pass unknown number of arguments to function?