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. system call and library function?

CDAC, Satyam,

2 20442

struct ptr { int a; char b; int *p; }abc; what is d sizeof structure without using "sizeof" operator??

Verifone,

9 16016

what is diff b/w huge & far & near pointer??

HCL,

1 4412

write a function for strtok()??

Verifone,

2 10286

what is the output of the following program and explain the answer #include exp() { main(5) } main(int a) { printf("%d",a); return; }

Satyam,

3 7165

what is difference b/w extern & volatile variable??

Teleca,

6 15135

what is the differnce between programing langauge and tool? is sas is a programing langauge r tool?

Gamesa, Satyam,

2388

design and implement a program that reads floating-points numbers in a sentinel-controlled loop until the user terminates the program by entering zero.your program should determinate and print the smallest,largest and average of the supplied numbers.

2 6186

i want to have a program to read a string and print the frequency of each character and it should work in turbo c

Persistent, Wipro,

3 9250

here is a link to download Let_Us_C_-_Yashwant_Kanetkar

Microsoft,

3 11300

How do you write a program which produces its own source code as its output?

2 5595

what is the importance of spanning tree?

2031

How to reverse a string using a recursive function, with swapping?

5 8941

How to Clear last bit if it 1 using Macro TURN_OFF_BIT_LAST

Adobe, Huawei,

6 11769

what is pointer

TCS,

1 5082

Post New C Questions

Un-Answered Questions { C }

How do I read the arrow keys? What about function keys?

1086

What are the 5 data types?

1132

What are register variables? What are the advantage of using register variables?

1191

Explain the ternary tree?

1025

What is omp_num_threads?

1085

Give basis knowledge of web designing ...

2020

Do pointers store the address of value or the actual value of a variable?

1079

What is the right type to use for boolean values in c? Is there a standard type? Should I use #defines or enums for the true and false values?

1059

What are the advantages of the functions?

1162

What is type qualifiers?

1134

What is the purpose of ftell?

1083

Is null always defined as 0(zero)?

1111

can any one tel me wt is the question pattern for NIC exam

1983

Write a program to know whether the input number is an armstrong number.

1123

Can you mix old-style and new-style function syntax?

1100

For More Un-Answered { C } Questions Click Here