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U
Q. What will initialize the list of arguments in stdarg.h header file?
U
Q. What is the output of this program?
Code:
#include
#include
using namespace std;
void function(std::string message, ...);
int main()
{
function("UdayMCQBuddy", 5, 7, 10, 8, 9);
return 0;
}
void function(std::string message, ...)
{
va_list ptr;
int number;
va_start(ptr, message);
number = va_arg(ptr, int);
number = va_arg(ptr, int);
cout << number;
}
U
Q. Which header file should you include if you are to develop a function that can accept variable number of arguments?
U
Q. What is the output of this program?
Code:
#include
#include
using namespace std;
int funcion(char ch,...);
int main()
{
int p, q;
p = funcion('B', 2, 3, 4);
q = funcion('3', 2.0, 2, '3', 2.0f, 10);
cout << p<<" " << q;
return 0;
}
int funcion(char ch,...)
{
return ch;
}
U
Q. What is the output of this program?
Code:
#include
#include
using namespace std;
void List(int, ...);
int main()
{
List(2, 5, 10);
List(3, 6, 9, 7);
return 0;
}
void List(int num, ...)
{
va_list a;
int k;
va_start(a, num);
while (num-->0)
{
k = va_arg(a, int);
cout << k;
}
va_end(a);
}
U
Q. What is the output of this program?
Code:
#include
#include
using namespace std;
int Addition(int number, ...)
{
int sum = 0;
va_list args;
va_start (args,number);
for (int i = 0; i < number; i++)
{
int number = va_arg (args,int);
sum += number;
}
va_end (args);
return sum;
}
int main (void)
{
int Result = Addition(1, 10, 9, -1, 13, 23, -2, 9, 17);
cout << "The result is " << Result;
return 0;
}
U
Q. What is the maximum number of arguments or parameters that can be present in one function call?
U
Q. What is the output of this program?
Code:
#include
#include
using namespace std;
float avg( int Count, ... )
{
va_list num;
va_start(num, Count);
int Sum = 0;
for (int i = 0; i < Count; ++i )
Sum += va_arg(num, int);
va_end(num);
return (Sum/Count);
}
int main()
{
float AVG = avg(5, 0, 1, 2, 3, 4);
cout << "Average of first 5 whole numbers : " << AVG;
return 0;
}
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