C Programming - Pointers - Discussion

Discussion Forum : Pointers - True / False Questions (Q.No. 3)
3.
The following program reports an error on compilation.
#include<stdio.h>
int main()
{
    float i=10, *j;
    void *k;
    k=&i;
    j=k;
    printf("%f\n", *j);
    return 0;
}
True
False
Answer: Option
Explanation:
This program will NOT report any error. (Tested in Turbo C under DOS and GCC under Linux)

The output: 10.000000
Discussion:
23 comments Page 2 of 3.

Pruthvi said:   1 decade ago
In turbo c it is an error. And it is not the correct way to assign a void pointer.

Abi said:   1 decade ago
Hi,

Can you explain then why do we need to typecast a void pointer?

Shabana said:   1 decade ago
Yes its correct because void is nothing we cannot assign like that.

Ankit said:   1 decade ago
But before assigning the void pointer we must typecast it. Right ?

Sboy said:   9 years ago
Invalid conversion compile time error in codeblocks windows.

Kiran ware said:   1 decade ago
Yes, before assigning the void pointer we must typecast it.

Vivek said:   1 decade ago
This is right program. No error will be there.

Vidhiyasri said:   1 decade ago
It is very useful and I will try my best.

Suki said:   1 decade ago
Can you explain what is typecast?

Siya said:   9 years ago
What is meant by typecasting?


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