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

C Interview Questions

Questions Answers Views Company eMail

what does ‘Bus Error’ mean?

ABC,

1 4675

Define function pointers?

1 3619

How do you initialize function pointers? Give an example?

3 5003

where can function pointers be used?

2 4377

what are bitwise shift operators?

4 7476

what are bit fields? What is the use of bit fields in a structure declaration?

Flextronics, TISL, Virtusa,

2074

what is the size of an integer variable?

4 6353

what are the files which are automatically opened when a c file is executed?

3 5681

what is the little endian and big endian?

1 3902

what is the use of fflush() function?

2 6197

what is the difference between exit() and _exit() functions?

2 7297

where does malloc() function get the memory?

1 4047

what is the difference between malloc() and calloc() function?

1 4357

what is the difference between postfix and prefix unary increment operators?

3 7811

what is the difference between strcpy() and memcpy() function?

2 5559

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Un-Answered Questions { C }

What is graph in c?

1030

What is a spanning Tree?

1528

When should I declare a function?

1079

Is python a c language?

959

What is data structure in c language?

1075

What is return in c programming?

937

find out largest elemant of diagonalmatrix

2194

Explain how can I prevent another program from modifying part of a file that I am modifying?

1052

What is the use of define in c?

1023

Can you explain what keyboard debouncing is, and where and why we us it? please give some examples

2165

What is the purpose of main() function?

1203

What is double pointer?

963

Write a factorial program using C.

1038

Explain how many levels deep can include files be nested?

1041

In C language what is a 'dangling pointer'?

1085

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