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

C Interview Questions

Questions Answers Views Company eMail

Difference between Shallow copy and Deep copy?

2027

#include void main() { char *str; long unsigned int add; str="Hello C"; add=&str[0]; printf("%c",add); } What is the output?

Infosys,

4 10237

hello everybody can we change a the adress of a variabl i mean can i put for exemple for a int *p: &p=6 ?????????

1 3624

please send me the code for multiplying sparse matrix using c

2182

what is diference between return 0 and return NULL??

3 6137

#include void main() { int a=5,b=6,c; int x=(a

IBM,

8 21355

What are pointers in C?

KPIT,

5 9215

what is difference between #include and #include"stdio.h"

4 7001

how to solve "unable to open stdio.h and conio.h header files in windows 7 by using Dos-box software

3326

Write a function that accepts a sentence as a parameter, and returns the same with each of its words reversed. The returned sentence should have 1 blank space between each pair of words. Demonstrate the usage of this function from a main program. Example: Parameter: “jack and jill went up a hill” Return Value: “kcaj dna llij tnew pu a llih”

Mind Tree,

5 19792

Explain this code. #include void f1(int *k) { *k = *k + 10; } main ( ){ int i; i = 0; printf (" The value of i before call %d \n", i); f1 (&i); printf (" The value of i after call %d \n", i); }

IBM,

3 5140

LOGIC OF Bodmas?

1 8064

main() { int i = -3,j=2,k=0,m; m= ++i || ++j && ++k; printf("%d%d%d",i,j,k,m); }

HCL,

7 25953

define c

HCL, TCS,

6 8393

what is C?

Syntel,

9 11156

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Un-Answered Questions { C }

Explain what are reserved words?

1108

If you know then define #pragma?

1111

What are the types of pointers in c?

1029

Explain how do you list a file’s date and time?

1043

What is #include called?

1065

What language is windows 1.0 written?

1070

Which function in C can be used to append a string to another string?

1222

What does != Mean in c?

1056

Q.1 write aprogram to stack using linklist o insert 40 items? Q.2 write a program to implement circular queue with help of linklist?

2134

find the sum of two matrices and WAP for it.

1143

hi send me sample aptitude papers of cts?

2167

When should I declare a function?

1138

What are Macros? What are its advantages and disadvantages?

1168

Explain how do you determine a file’s attributes?

1050

When should we use pointers in a c program?

1143

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