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?

2075

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

Infosys,

4 10387

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 3713

please send me the code for multiplying sparse matrix using c

2224

what is diference between return 0 and return NULL??

3 6272

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

IBM,

8 21569

What are pointers in C?

KPIT,

5 9362

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

4 7152

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

3371

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 19995

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 5267

LOGIC OF Bodmas?

1 8137

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

HCL,

7 26149

define c

HCL, TCS,

6 8590

what is C?

Syntel,

9 11364

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Un-Answered Questions { C }

What are local variables c?

1071

Why double pointer is used in c?

1090

What is the significance of an algorithm to C programming?

1096

How will you print TATA alone from TATA POWER using string copy and concate commands in C?

1423

Explain the priority queues?

1140

How can I split up a string into whitespace-separated fields?

1107

How can you find out how much memory is available?

1114

What is getch () for?

1316

How can I check whether a file exists? I want to warn the user if a requested input file is missing.

1213

What are the different types of linkage exist in c?

1074

When should volatile modifier be used?

1073

What is c token?

1126

What is difference between function overloading and operator overloading?

1141

What is putchar() function?

1220

Is there a way to jump out of a function or functions?

1165

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