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

C Interview Questions

Questions Answers Views Company eMail

what is output of the following statetment?Printf(“%x”, -1<<4); ?

5 9015

will the program compile? int i; scanf(“%d”,i); printf(“%d”,i);

3 5362

write a string copy function routine?

2 4929

swap two integer variables without using a third temporary variable?

Persistent,

6 10344

how do you redirect stdout value from a program to a file?

1 3502

write a program that finds the factorial of a number using recursion?

Infosys, TATA,

13 33730

write a “Hello World” program in “c” without using a semicolon?

CTS, TCS, Wipro,

9 14833

Give a method to count the number of ones in a 32 bit number?

4 5638

write a program that print itself even if the source file is deleted?

2 7920

Given an unsigned integer, find if the number is power of 2?

5 8632

what is the difference between these initializations? Char a[]=”string”; Char *p=”literal”; Does *p++ increment p, or what it points to?

4 7777

differentiate between const char *a; char *const a; and char const *a;

College School Exams Tests, HCL, TCS,

2 7539

Why cann't whole array can be passed to function as value.

1 3832

Given a single Linked list with lakhs of nodes and length unknown how do you optimally delete the nth element from the list?

Oracle,

1 4504

What is the relation between # and include

HCL,

5 8762

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Un-Answered Questions { C }

What is action and transformation in spark?

1097

can any one please explain, how can i access hard disk(physical address)? it is possible by the use of far,near or huge pointer? if yes then please explain......

1819

c program to compute AREA under integral

2352

Explain how can type-insensitive macros be created?

962

What are identifiers in c?

1163

How can a string be converted to a number?

987

int i=3; this declaration tells the C compiler to a) reserve space in memory to hold the integer value b) associate the name i with this memory location c) store the value 3 at this location d) all the above

1239

What is a stream water?

1142

What is the c value paradox and how is it explained?

1008

How can I get random integers in a certain range?

1026

Tell me what are bitwise shift operators?

1102

What is the acronym for ansi?

1012

Explain how can you restore a redirected standard stream?

1054

How many identifiers are there in c?

977

List the variables are used for writing doubly linked list program.

1974

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