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1.

Choose the correct option of C Language

Answer» CHOOSE the correct option of C Language
Below are the different QUESTIONS of C language and choose the correct answers
(1)Find output of below code
#include
int main()
{
static int a=5;
if(--a)
{
main();
PRINTF("%d ",a);
}
return 0;
}
Choose the correct options from below list
(i)1 2 3 4
(ii)4 3 2 1
(iii)0 0 0 0
(iv)Compiler Error


(2)Find output of below code
#include
int main()
{
static int i=5;
if (--i)
{
printf("%d ",i);
main();
}
}
Choose the correct options from below list
(i)1 2 3 4
(ii)4 3 2 1
(iii)0 0 0 0
(iv)Compiler Error


(3)Find output of below code
#include
int main()
{
int x = 5;
int * const ptr = &x;
++(*ptr);
printf("%d", x);
return 0;
}
Choose the correct options from below list
(i)Compiler Error
(ii)Runtime Error
(iii)6
(iv)5


(4)Find output of below code
#include
int main()
{
int x = 5;
int const * ptr = &x;
++(*ptr);
printf("%d", x);
return 0;
}
Choose the correct options from below list
(i)Compiler Error
(ii)Runtime Error
(iii)6
(iv)5


(5)Find output of below code
#include
int main()
{
typedef static int *i;
int j;
i a = &j;
printf("%d", *a);
return 0;
}
Choose the correct options from below list
(i)0
(ii)Runtime Error
(iii)Garbage Value
(iv)Compiler Error

Answer:-
(1)(iii)0 0 0 0
(2)(ii)4 3 2 1
(3)(iii)6
(4)(i)Compiler Error Reason:-++(*ptr) is INCORRECT
(5)(iv)Compiler Error Reason:- typedef static int *i;
Discussion
2.

How to open file in c program with syntax and file pointer?

Answer»

How to open file in c PROGRAM with SYNTAX and file pointer?
Below is the CODE to open file in c by using file pointer. Here we have use while LOOP till the EOF to read every thing charcter by character.


Download Code

File Reading
Discussion
3.

Code to print Even number in c Language

Answer» CODE to PRINT EVEN number in c Language
Below is the code in c langauge to print even number between 2 to 100. To download code click below


Download Code


Even number print
Discussion
4.

Swaping of value of two variables in c through pointer?

Answer» SWAPING of value of TWO VARIABLES in c through pointer?
Below is the code to swap values between two variables in c LANGUAGE through the pointers.
Download Code


Swapping Values in C

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Discussion