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

C Interview Questions

Questions Answers Views Company eMail

How can you increase the allowable number of simultaneously open files?

1093

How can you read a directory in a C program?

1096

How can you find out how much memory is available?

1016

How can you allocate arrays or structures bigger than 64K?

1085

How can you call a function, given its name as a string?

1103

Differentiate between a for loop and a while loop? What are it uses?

TISL,

1135

Function which gives a pointer to a binary trees const an integer value at each code, return function of all the nodes in binary tree.?

Infosys,

1016

How can you increase the size of a dynamically allocated array?

TISL,

1137

Are the variables argc and argv are local to main?

TISL,

1254

How can you increase the size of a statically allocated array?

TISL,

1034

Write a program to generate the Fibinocci Series

TISL,

1165

what do the 'c' and 'v' in argc and argv stand for?

TISL,

1118

What does the error 'Null Pointer Assignment' mean and what causes this error?

TISL,

1163

In a header file whether functions are declared or defined?

TISL,

1081

What is difference between Structure and Unions?

TISL,

1189

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Un-Answered Questions { C }

How to write a multi-statement macro?

991

What is the purpose of sprintf() function?

1056

write a program to input 10 strings and compare without using strcmp() function. If the character of one string matches with the characters of another string , sort them and make it a single string ??? example:- str1="Aakash" st2="Himanshu" str="Uday" output:- Aakashimanshuday (please post the answer as quickly as possible)

2052

Can we change the value of constant variable in c?

1008

What is action and transformation in spark?

1085

What are the 5 organizational structures?

971

What does *p++ do? What does it point to?

1007

How can a program be made to print the name of a source file where an error occurs?

1178

What is malloc() function?

1100

illustrate the use of address operator and dereferencing operator with the help of a program guys plzzz help for this question

2024

Explain low-order bytes.

979

What is the symbol indicated the c-preprocessor?

1168

Why structure is used in c?

1116

What do you mean by dynamic memory allocation in c?

1053

Differentiate between #include<...> and #include '...'

1007

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