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 4730

Define function pointers?

1 3686

How do you initialize function pointers? Give an example?

3 5084

where can function pointers be used?

2 4465

what are bitwise shift operators?

4 7614

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

Flextronics, TISL, Virtusa,

2129

what is the size of an integer variable?

4 6491

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

3 5812

what is the little endian and big endian?

1 3988

what is the use of fflush() function?

2 6308

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

2 7432

where does malloc() function get the memory?

1 4132

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

1 4422

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

3 7946

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

2 5632

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Un-Answered Questions { C }

What is multidimensional arrays

1126

What is gets() function?

1124

What are the 5 types of inheritance in c ++?

1023

what value is returned to operating system after program execution?

2120

Compare array data type to pointer data type

1021

What is a structure and why it is used?

1225

What is an array? What the different types of arrays in c?

1185

Write a C program to accept a matrix of any size. Find the frequency count of each element in the matrix and positions in which they appear in the matrix

2007

How do you determine the length of a string value that was stored in a variable?

1122

Write the Program to reverse a string using pointers.

1019

What is a 'null pointer assignment' error? Explain what are bus errors, memory faults, and core dumps?

1243

Why c is called a mid level programming language?

1070

write a program which the o/p should b in such a way that s triangle if I/p is 3,a Square/rectangle if I/P=4,a pentagon if I/P=5 and so on...forget about the I/P which is less than 3

2081

Write a function which takes as parameters one regular expression(only ? and * are the special characters) and a string and returns whether the string matched the regular expression.

1096

How many types of operators are there in c?

1037

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