IndiaBIX.com
Arithmetic Aptitude Data Interpretation
Logical Reasoning Verbal Reasoning Non Verbal Reasoning
General Knowledge
Sudoku Number puzzles Missing letters puzzles Logical puzzles Playing cards puzzles Clock puzzles
C Programming C# Programming Java Programming
Networking Database Questions Computer Science Basic Electronics Digital Electronics Electronic Devices Circuit Simulation Electrical Enigneering Engineering Mechanics Technical Drawing
Placement Papers Group Disucssion HR Interview Technical Interview Body Language
Aptitude Test Verbal Ability Test Verbal Reasoning Test Logical Reasoning Test C Programming Test Java Programming Test Data Interpretation Test General Knowledge Test
Data Structures Operating Systems Networking DATABASE Database Basics SQL Server Basics SQL Server Advanced SQL Server 2008 JAVA Core Java Java Basics Advanced Java UNIX Unix File Management Unix Memory Management Unix Process Managemnt C Interview Questions The C Language Basics .NET Interview Questions .NET Framework ADO.NET ASP.NET

C Programming - Variable Number of Arguments - Discussion

@ : Home > C Programming > Variable Number of Arguments > Find Output of Program - Discussion

Read more:

"Everything you can imagine is real."
- Pablo Picasso
2. 

What will be the output of the program?

#include<stdio.h>
#include<stdarg.h>
void fun1(char, int, int *, float *, char *);
void fun2(char ch, ...);
void (*p1)(char, int, int *, float *, char *);
void (*p2)(char ch, ...);

int main()
{
    char ch='A'; int i=10;
    float f=3.14; char *p="Hello";
    p1=fun1;
    p2=fun2;
    (*p1)(ch, i, &i, &f, p);
    (*p2)(ch, i, &i, &f, p);
    return 0;
}
void fun1(char ch, int i, int *pi, float *pf, char *p)
{
    printf("%c %d %d %f %s \n", ch, i, *pi, *pf, p);
}
void fun2(char ch, ...)
{
    int i, *pi; float *pf; char *p;
    va_list list;
    printf("%c ", ch);
    va_start(list, ch);
    i = va_arg(list, int);
    printf("%d ", i);
    
    pi = va_arg(list, int*);
    printf("%d ", *pi);
    pf = va_arg(list, float*);
    printf("%f ", *pf);
    p = va_arg(list, char *);
    printf("%s", p);
}

[A]. A 10 3.14
A 10 3.14
[B]. A 10 10 3.140000 Hello
A 10 10 3.140000 Hello
[C]. A 10 Hello
A 10 Hello
[D]. Error

Answer: Option C

Explanation:

No answer description available for this question.


Nishant said: (Sun, Aug 28, 2011 05:14:44 AM)    
 
Ch=A, i=10,

Then &i is passed which points to i and finally once again 10 is printed, then pf=3.14 is printed and at last the string HELLO.

Write your comments here:
Name *:     Email:


© 2008-2011 by IndiaBIX™ Technologies. All Rights Reserved | Copyright | Terms of Use & Privacy Policy

Advertise     Contact us: info@indiabix.com     Follow us on twitter!