C Language interview questions and answers section for various interview, for freshers to experience helps you to crack your next interview.Fully solved examples with detailed from coding tag https://www.codingtag.com/top-30-c-language-interview-questions

1. C Language
Interview Questions
BY :- Coding Tag

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2

3. Can one function call another ?
Yes, any function can call another function .
For example:-
int func1(int x) {
return x+1;
}
int func2(int y) {
return func1(func1(y));
}
int main(int argc, char* argv[]) {
printf("Output is %drn", func2(5));
return 0;
}

4. What is a difference between far and near
pointers ?
Near pointer : This is a type of pointer which is used to bit address of up to 16 bits in a
provided section of the computer memory it can only acces data of a small size of about
64 kb.
Far Pointer : This is a type of 32 bit pointer ,it can access information which is outside
the computer memory in segments .
Huge Pointer: this is a type of 32 bit to that of th faar pointer, it can access bits that are
located outside the sector

5. What are some of the applications of
C language ?
● Drivers and utility software
● Database
● Operating systems
● Assembler
● Text editor and many more

6. What is a Recursion ?
Recursion is a technique in a programming that allows the programmer
to express operations In C , this is a form of a function that calls itself
many times you wants to repeat the process or any statements.
For example recursion may applied to :
● Sorting
● Searching,
● Traversal problems.

7. C Program to Swap 2 numbers with and
without third variable ?
With third variable
#include<stdio.h>
int main()
{
int var1, var2, temp;
scanf("%d%d", &var1, &var2);
printf("Before Swapping n First
variable = %d n Second variable =
%dn", var1, var2);
temp = var1;
var1 = var2;
var2 = temp;
printf("After SwappingnFirst variable
= %dnSecond variable = %dn", var1,
var2);
return 0;
Without third variable
#include<stdio.h>
int main()
{
int a=10, b=20;
printf("Before swap a=%d b=%d",a,b);
a=a+b;//a=30 (10+20)
b=a-b;//b=10 (30-20)
a=a-b;//a=20 (30-10)
printf("n After swap a=%d b=%d",a,b);
return 0;
}

8. For more Questions on C
and C++ to crack your
interviews Questions at
once ...

9. 9
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