C Interview Questions
Questions Answers Views Company eMail

How does memset() work in C?

1 174

What is the difference between exit() and _exit()?

1 181

What are dynamically linked and statically linked libraries?

1 189

How does the assert() function work?

1 176

What is the purpose of the fflush() function in C?

1 177

What is the difference between fork() and vfork()?

1 191

What are signals in C?

1 186


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Un-Answered Questions { C }

What is string in c language?

734


#include { printf("Hello"); } how compile time affects when we add additional header file .

1540


why use functions a) writing functions avoids rewriting the same code over and over b) using functions it becomes easier to write programs and keep track of what they are doing c) a & b d) none of the above

787


Read N characters in to an array . Use functions to do all problems and pass the address of array to function. 1. Print only the alphabets . If in upper case print in lower case vice versa. 2. Enter alphanumeric characters and form 2 array alphaets and digits.Also print the count of each array. 3. Find the count of a certain character. 4. Print the positions where a certain character occured. 5. Print the characters between successive array elements. 6. Find the largest and smallest charcter. How many times it each one occured. 7. Enter a certain range. Print out the array elements which occured between these range. 8. Reverse a character array without using another array. 9. Reverse an array region. 10. Replace a the array elements with it next character . Use a after z. 11. Code the array element with certain character as first alphabet. 12. Duplicate all the vowels in a character array. What is the new count. 13. Delete the vowels in a character array. What is the new array count. 14. Print the count of all characters in the array. 15. Enter n alphabets and store a upto tht charcter in array.What is the array count? 16. Sort a character array. 17. Merge 2 character arrays largearray,smallarray. 18. Find the pair with largest number of characters in between. 19. Find the numerical value of a charcter array. 20. Store n numeral characters in an arrray. Insert another numeral character in a certain position. 21. Insert a character in a sorted array. 22. Merge 2 sorted arrays in sorted fashion. 23. Duplicate the least occuring character. 24. Write a menu driven program to circular right/left shift an array of n elements. 25. Is the character array palindrome? if not make it palindrome. 26. Concatenate the first n charaters to the end of the string. 27. Print all n group of chracters which are palindrome. 28. Concatneate the reverse of last n characters to the array.

3469


Program will then find the largest of three numbers using nested if-else statements. User is prompted to enter three numbers. Program will find the largest number and display it on the screen. All three numbers entered by the user are also displayed. If user enters 21, 33, and 5, the output should be as follows: You entered: 21, 33 and 5. The largest number is 33.

1120






what is the difference between north western polytechnique university and your applied colleges?? please give ur answers for this. :)

2023


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

764


When should you not use a type cast?

780


Write a program to identify if a given binary tree is balanced or not.

805


Why can’t we compare structures?

931


write a proram to reverse the string using switch case?

2582


Why we use break in c?

652


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

828


Define circular linked list.

683


What does *p++ do?

701