C Programming - Declarations and Initializations - Discussion
Discussion Forum : Declarations and Initializations - General Questions (Q.No. 10)
10.
In the following program where is the variable a getting defined and where it is getting declared?
#include<stdio.h>
int main()
{
extern int a;
printf("%d\n", a);
return 0;
}
int a=20;
Answer: Option
Explanation:
- During declaration we tell the datatype of the Variable.
- During definition the value is initialized.
Discussion:
46 comments Page 4 of 5.
Vasudevan said:
2 decades ago
int a=20;(it is a outside of initialization)
how it consider for this program
how it consider for this program
Aman said:
1 decade ago
When we have need to declare the extern variables? and what are its Benefits?
Aniket said:
2 years ago
It shows an error msg because extern are declared inside the function.
(1)
Ajit Darnal said:
1 decade ago
Definition int a=20 ; is outside the main, how it is possible ?
Shwetha said:
1 decade ago
since int a=20; is in outside of the main() it is definition.
Teja said:
1 decade ago
What is this extern function? How and where it can be used?
Shubham said:
4 years ago
What is the output of this program? Please anyone explain.
Susee said:
1 decade ago
May I know explanation for "return 0"? What it will do?
Deepak said:
9 years ago
Here, we should declare a=20 above the main function.
Snehal kadam said:
2 decades ago
In above option is D option correct??
in place of C
in place of C
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