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

C Interview Questions

Questions Answers Views Company eMail

What is the difference between a structure and a union?

2 1101

How can you dynamically allocate memory in C?

2 980

What are macros in C?

2 817

What is a segmentation fault?

2 869

What is the use of the sizeof operator?

2 1011

Explain the difference between fopen() and freopen().

2 905

What is the difference between calloc() and realloc()?

1 860

Explain #pragma in C.

1 721

What are dangling pointers?

1 722

What is undefined behavior?

1 750

What is the use of the restrict keyword?

1 675

What is an lvalue and an rvalue?

1 771

Can a program have multiple main() functions?

1 944

What is the output of printf("%d", printf("Hello"));?

1 832

Why is C called a middle-level language?

1 728

Post New C Questions

Un-Answered Questions { C }

hi to every one .. how to view table pool after creating the pooled table? plz help me.. if any knows abt this ..

1925

Explain the difference between the local variable and global variable in c?

1077

What is local and global variable in c?

1210

What is c programming structure?

1207

What is static and auto variables in c?

1091

HOW TO SOLVE A NUMERICAL OF LRU IN OS ??????

2698

Write a program to show the change in position of a cursor using c

1072

Find the second largest element in an array with minimum no of comparisons and give the minimum no of comparisons needed on an array of size N to do the same.

1282

What is the symbol indicated the c-preprocessor?

1253

What is difference between Structure and Unions?

1256

What are lookup tables in c?

1005

What are the general description for loop statement and available loop types in c?

1129

Explain what are the different file extensions involved when programming in c?

1114

How to throw some light on the b tree?

1091

Can you explain what keyboard debouncing is, and where and why we us it? please give some examples

2203

For More Un-Answered { C } Questions Click Here