C Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

C Interview Questions

Questions Answers Views Company eMail

write a prgram of swapping with 2 valiables

6 6656

Why c++ is called c++ and not c+?

EBS,

9 30939

how to set Nth bit of a variable?

1 7966

what is the output on the screen? int n; n=printf("my name is %d",printf("kiran %d",printf("kumar"))); printf("\n %d \n",n);

TCS,

4 6454

what is the output of below int n=10; (n++)++; printf("%d",n);

3 10189

why we need function pointers?

3 6395

how to find your architecture is LittleEndian or BigEndian?

1 4583

Linked list is a Linear or non linear explain if linear how it working as a non linear data structures

2129

Write a program that takes a 5 digit number and calculates 2 power that number and prints it

ABS, Accenture, HCL, Infosys, Infotech, SoftSolve, Software India, TCS, Vertex, Vimukti Technologies,

5 15634

write a program wch produces its own source code aas its output?

IonIdea,

1 7320

write a program which will count occurance of a day between two dates.

IonIdea,

1 6768

how to set Nth bit of variable by using MACRO

HCL,

3 26901

#include void main() { int a,b,c; a=b=c=1; c=++a || ++b && ++c; printf("%d\t%d\t%d",a,b,c); }

3 9634

write C code to reverse a string such that if i/p is "abc defg hij klmno pqrs tuv wxyz" and the o/p should be "cba gfed jih onmlk srqp vut zyxw"

2 5376

diff .between strcture and union

2 4411

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Un-Answered Questions { C }

why programs in c are running with out #include? some warnings are display in terminal but we execute the program we get answer why? eg: main() { printf("hello world "); }

1717

Is it valid to address one element beyond the end of an array?

1130

What is c variable?

1004

What is array within structure?

1073

Why should I prototype a function?

1132

What is the difference between struct and union in C?

1256

In which header file is the null macro defined?

1314

There seem to be a few missing operators ..

1011

Is main an identifier in c?

1094

Why do we use int main instead of void main in c?

1107

Is fortran still used in 2018?

996

what is stack , heap ,code segment,and data segment

2644

How to Throw some light on the splay trees?

1016

hi any body pls give me company name interview conduct "c" language only

2249

Why clrscr is used in c?

964

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