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Question

Point out the error in the following program.
#include<stdio.h>
#include<stdarg.h>

int main()
{
    void display(int num, ...);
    display(4, 12.5, 13.5, 14.5, 44.3);
    return 0;
}
void display(int num, ...)
{
    float c; int j;
    va_list ptr;
    va_start(ptr, num);
    for(j=1; j<=num; j++)
    {
        c = va_arg(ptr, float);
        printf("%f", c);
    }
}

a.

Error: invalid va_list declaration

b.

Error: var c data type mismatch

c.

No error

d.

No error and Nothing will print

Answer: (b).Error: var c data type mismatch

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Q. Point out the error in the following program.

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