1. Question: What will be the output of the program?
    #include<stdio.h>
    #include<stdarg.h>
    void fun(char *msg, ...);
    
    int main()
    {
        fun("VCampus", 1, 4, 7, 11, 0);
        return 0;
    }
    void fun(char *msg, ...)
    {
        va_list ptr;
        int num;
        va_start(ptr, msg);
        num = va_arg(ptr, int);
        num = va_arg(ptr, int);
        printf("%d", num);
    }
    
     

    A
    VCampus 1 7 11 0

    B
    1

    C
    4

    D
    7


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  2. Question: 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


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  3. Question: What will be the output of the program?
    #include<stdio.h>
    #include<stdarg.h>
    void dumplist(int, ...);
    
    int main()
    {
        dumplist(2, 4, 8);
        dumplist(3, 6, 9, 7);
        return 0;
    }
    void dumplist(int n, ...)
    {
        va_list p; int i;
        va_start(p, n);
    
        while(n-->0)
        {
            i = va_arg(p, int);
            printf("%d", i);
        }
        va_end(p);
        printf("\n");
    }
    
     

    A
    2 4 3 6

    B
    2 4 8 3, 6, 9, 7

    C
    4 8 6 9 7

    D
    1 1 1 1 1 1 1


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  4. Question: 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);
        }
    }
    
     

    A
    A, A B, B C, C D, D

    B
    A, a B, b C, c D, d

    C
    A, 65 B, 66 C, 67 D, 68

    D
    A, 0 B, 0 C, 0 C, 0


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  5. Question: What will be the output of the program?
    #include<stdio.h>
    #include<stdarg.h>
    void fun1(int num, ...);
    void fun2(int num, ...);
    
    int main()
    {
        fun1(1, "Apple", "Boys", "Cats", "Dogs");
        fun2(2, 12, 13, 14);
        return 0;
    }
    void fun1(int num, ...)
    {
        char *str;
        va_list ptr;
        va_start(ptr, num);
        str = va_arg(ptr, char *);
        printf("%s ", str);
    }
    void fun2(int num, ...)
    {
        va_list ptr;
        va_start(ptr, num);
        num = va_arg(ptr, int);
        printf("%d", num);
    }
    
     

    A
    Dogs 12

    B
    Cats 14

    C
    Boys 13

    D
    Apple 12


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