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

C Interview Questions

Questions Answers Views Company eMail

WAP – represent a char in binary format

Motorola, Wipro,

4 8638

what is memory leak?

3 7594

what is the difference between and "stdio.h"

Invendis, Kanbay, Mastek, MathWorks,

14 57765

which will be first in c compiling ,linking or compiling ,debugging.

Sonata,

3 8705

Write a program in C to convert date displayed in gregorian to julian date

HCL, Wipro,

2747

difference between memcpy and strcpy

1 12729

What's the best way to declare and define global variables?

7 14723

What does extern mean in a function declaration?

4 37866

How do I declare an array of N pointers to functions returning pointers to functions returning pointers to characters?

2 10673

What's wrong with "char *p = malloc(10);" ?

4 12887

What is the difference between char a[] = "string"; and char *p = "string"; ?

Adobe, Honeywell, TCS,

14 45139

How do I initialize a pointer to a function?

2 11703

What's the difference between struct x1 { ... }; and typedef struct { ... } x2; ?

3 10066

Can I pass constant values to functions which accept structure arguments?

2 8715

Why doesn't the code "a[i] = i++;" work?

4 13472

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Un-Answered Questions { C }

Write a program to print ASCII code for a given digit.

1036

Explain how do you determine a file’s attributes?

999

general for is %wd,f-d; in this system "w" means a) 'w' represent total width of digits b) 'w' represent width which includes the digits before,after decimal place and the decimal point c) 'w' represent width which includes the digits before only d) 'w' represent width after decimal place only

1031

Why do we use namespace feature?

1009

What is bss in c?

1045

Can the size of an array be declared at runtime?

1024

How can I open a file so that other programs can update it at the same time?

1132

What is the difference between far and near ?

1156

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

2259

What is c system32 taskhostw exe?

975

Which function in C can be used to append a string to another string?

1177

Who invented b language?

1340

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

2023

How to write a multi-statement macro?

989

How can I write data files which can be read on other machines with different word size, byte order, or floating point formats?

977

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