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 4755

Define function pointers?

1 3705

How do you initialize function pointers? Give an example?

3 5105

where can function pointers be used?

2 4481

what are bitwise shift operators?

4 7646

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

Flextronics, TISL, Virtusa,

2138

what is the size of an integer variable?

4 6522

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

3 5834

what is the little endian and big endian?

1 3994

what is the use of fflush() function?

2 6321

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

2 7451

where does malloc() function get the memory?

1 4153

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

1 4434

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

3 7972

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

2 5651

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Un-Answered Questions { C }

using for loop sum 2 number of any 4 digit number in c language

2351

Difference between strcpy() and memcpy() function?

1160

What are the types of functions in c?

991

What is extern c used for?

1069

How to compare array with pointer in c?

1119

PLS U SENS ME INTERVIEW O. MY EMAIL ADD, SOFIYA.SINGH@GMAIL.COM

2189

What is external variable in c?

1070

What is infinite loop?

1097

write a program to create a sparse matrix using dynamic memory allocation.

4906

How can I insert or delete a line (or record) in the middle of a file?

1022

What is the process to create increment and decrement stamen in c?

1062

GIVEN A FLOATING POINT NUMBER HOW IS IT ACTUALLY STORED IN MEMORY ? CAN ANYONE EXPLAIN?? THE 32 BIT REPRESENTATION OF A FLOATING POINT NUMBER ALLOTS: 1 BIT-SIGN 8 BITS-EXPONENT 23 BITS-MANTISSA

1881

What is the purpose of void pointer?

1044

What is a global variable in c?

1022

Which built-in library function can be used to match a patter from the string?

1308

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