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;
}
Answer: Option
Explanation:
This program will NOT report any error. (Tested in Turbo C under DOS and GCC under Linux)
The output: 10.000000
The output: 10.000000
Discussion:
23 comments Page 2 of 3.
Suki said:
1 decade ago
Can you explain what is typecast?
Rahul said:
1 decade ago
The above code is correct. It gave no error during compilation or during running in gcc.
Tripti said:
1 decade ago
It produce an error b/c j does not define as a double pointer and we send in it an address of address.
Vidhiyasri said:
1 decade ago
It is very useful and I will try my best.
Patel said:
1 decade ago
What is meaning of void *k.
Anjaneyareddy said:
1 decade ago
Everything is ok. But 1 thing I can't understood. After printing float value 10.000000. Why printed 6 0's?
Chipku said:
1 decade ago
Can k=&i possible?
Suman said:
10 years ago
This program gives error.
Error 1: error C2440: '=' : cannot convert from 'void *' to 'float *'.
2 IntelliSense: A value of type "void *" cannot be assigned to an entity of type "float *".
Error 1: error C2440: '=' : cannot convert from 'void *' to 'float *'.
2 IntelliSense: A value of type "void *" cannot be assigned to an entity of type "float *".
Sboy said:
9 years ago
Invalid conversion compile time error in codeblocks windows.
Siya said:
9 years ago
What is meant by typecasting?
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