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 20327

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

Verifone,

9 15764

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

HCL,

1 4314

write a function for strtok()??

Verifone,

2 10207

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 7044

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

Teleca,

6 14950

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

Gamesa, Satyam,

2322

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 6113

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 9104

here is a link to download Let_Us_C_-_Yashwant_Kanetkar

Microsoft,

3 11176

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

2 5513

what is the importance of spanning tree?

1993

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

5 8780

How to Clear last bit if it 1 using Macro TURN_OFF_BIT_LAST

Adobe, Huawei,

6 11592

what is pointer

TCS,

1 5006

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Un-Answered Questions { C }

What is New modifiers?

1080

code for find determinent of amatrix

1931

What is the description for syntax errors?

1108

What is a scope resolution operator in c?

1222

What is the function of this pointer?

1250

What is enumerated data type in c?

1045

Can you write the algorithm for Queue?

2051

How do you sort filenames in a directory?

1135

How do you print only part of a string?

980

Is Exception handling possible in c language?

2011

Is it better to use a macro or a function?

1114

Explain output of printf("Hello World"-'A'+'B'); ?

1453

plz let me know how to become a telecom protocol tester. thank you.

2161

What does it mean when the linker says that _end is undefined?

1058

How can I open files mentioned on the command line, and parse option flags?

1032

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