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C Interview Questions

Below we have listed all the C Interview Questions and answers. Feel free to comment on any C Interview Questions or answer by the comment feature available on the page.

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View All C Interview Questions & Answers - Exam Mode / Learning Mode

C is a high-level and general purpose programming language that is ideal for developing firmware or portable applications. Originally intended for writing system software, C was developed at Bell Labs by Dennis Ritchie for the Unix Operating System (OS) in the early 1970s. With the increasing popularity of object-oriented programming, C is being rapidly replaced as "the" programming language by C++, a superset of the C language that uses an entirely different set of programming concepts, and by Java, a language similar to but simpler than C++, that was designed for use in distributed networks.

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Subcategories for C Interview Questions & Answers :-

Following are sub categories for which Interview Questions & Answers are available under C Interview Questions & Answers. Please select the appropriate sub-category:-

Arrays in C Interview Questions & Answers (18) Exam Mode | Learning Mode

Branches & Loops in C Interview Questions & Answers (22) Exam Mode | Learning Mode

C Basics Interview Questions & Answers (92) Exam Mode | Learning Mode

Dynamic Memory Allocation in C Interview Questions & Answers (21) Exam Mode | Learning Mode

File Operations in C Interview Questions & Answers (16) Exam Mode | Learning Mode

Functions in C Interview Questions & Answers (59) Exam Mode | Learning Mode

Operators in C Interview Questions & Answers (22) Exam Mode | Learning Mode

Pointers in C Interview Questions & Answers (43) Exam Mode | Learning Mode

Strings in C Interview Questions & Answers (32) Exam Mode | Learning Mode

Structures in C Interview Questions & Answers (39) Exam Mode | Learning Mode

Variables in C Interview Questions & Answers (39) Exam Mode | Learning Mode

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Question
Rating
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I want source code of series of prime numbers.
0.5 Rating
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Difference between const char* p and char const* p
0.5 Rating
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If we want that any wildcard characters in the command line argument should be approxiemately expanded , are we required to make any special provision?if yes, which?
0.6 Rating
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Write a program to accept any number up to six digit and print in words.
for ex:1234=one two three four
0.5 Rating
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main()
{
int i = 0xff ;
printf("n%d", i<<2);
}


0.6 Rating
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If the following program (myprog) is run from the command line as myprog friday tuesday sunday,
What would be the output?

main(int argc, char *argv[])
{
printf("%c",*++argv[1]);
}




0.5 Rating
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All the programs are tested under Turbo C/C++ compilers.
It is assumed that,
?? Programs run under DOS environment,
?? The underlying machine is an x86 system,
?? Program is compiled using Turbo C/C++ compiler.
The program output may depend on the information based on this assumptions (for example sizeof(int) == 2 may be assumed).

Predict the output or error(s) for the following:

i) void main()
{
int const * p=5;
printf("%d",++(*p));
}


0.6 Rating
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How can do search for data in a linked list ?
0.5 Rating
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main()
{
int i, j;
scanf("%d %d"+scanf("%d %d", &i, &j));
printf("%d %d", i, j);
}


0.5 Rating
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main()
{
printf("%d, %d", sizeof('c'), sizeof(100));
}


0.5 Rating
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What would be the output of the following program?
main()
{
const int x=5;
int *ptrx;
ptrx=&x;
*ptrx=10;
printf("%d",x);
}


0.5 Rating
View Answer
union u
{
struct st
{
int i : 4;
int j : 4;
int k : 4;
int l;
}st;
int i;
}u;
main()
{
u.i = 100;
printf("%d, %d, %d",u.i, u.st.i, u.st.l);
}

0.6 Rating
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What is hashing ?
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What are bit fields? What is the use of bit fields in a structure declaration?
0.5 Rating
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How to do a simple program simulation of a Rotation game?
A player chooses to move a box encompassing four numbers, and then chooses to either rotate the numbers
clockwise or counterclockwise.
0.4 Rating
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How can you restore a redirected standard stream ?
0.5 Rating
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const int perplexed = 2;
#define perplexed 3
main()
{
#ifdef perplexed
#undef perplexed
#define perplexed 4
#endif
printf("%d",perplexed);
}


0.5 Rating
View Answer
If the program (myprog) is run from the command line as myprog 1 2 3 , What would be the output?

main(int argc, char *argv[])
{
int i;
for(i=0;i<argc;i++)
printf("%s",argv[i]);
}




0.6 Rating
View Answer
What is the code to find our age,for example if my date of birth is 4/12/1986 and today date is 16/11/2008
answer should give our year,month,no of days
0.5 Rating
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Can there be a mouse click and drag function used together to rotate a circle in c?please give which are they?
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India News Network
Latest 20 Questions
Payment of time- barred debt is: (a) Valid (b) Void (c) Illegal (d) Voidable
Consideration is defined in the Indian Contract Act,1872 in: (a) Section 2(f) (b) Section 2(e) (c) Section 2(g) (d) Section 2(d)
Which of the following is not an exception to the rule, "No consideration, No contract": (a) Natural love and affection (b) Compensation for involuntary services (c) Completed gift (d) Agency
Consideration must move at the desire of: (a) The promisor (b) The promisee (c) The promisor or any other party (d) Both the promisor and the promisee
An offer which is open for acceptance over a period of time is: (a) Cross Offer (b) Counter Offer (c) Standing Offer (d) Implied Offer
Specific offer can be communicated to__________ (a) All the parties of contract (b) General public in universe (c) Specific person (d) None of the above
_________ amounts to rejection of the original offer. (a) Cross offer (b) Special offer (c) Standing offer (d) Counter offer
A advertises to sell his old car by advertising in a newspaper. This offer is caleed: (a) General Offer (b) Special Offer (c) Continuing Offer (d) None of the above
In case a counter offer is made, the original offer stands: (a) Rejected (b) Accepted automatically (c) Accepted subject to certain modifications and variations (d) None of the above
In case of unenforceable contract having some technical defect, parties (a) Can sue upon it (b) Cannot sue upon it (c) Should consider it to be illegal (d) None of the above
If entire specified goods is perished before entering into contract of sale, the contract is (a) Valid (b) Void (c) Voidable (d) Cancelled
______________ contracts are also caled contracts with executed consideration. (a) Unilateral (b) Completed (c) Bilateral (d) Executory
A offers B to supply books @ Rs 100 each but B accepts the same with condition of 10% discount. This is a case of (a) Counter Offer (b) Cross Offer (c) Specific Offer (d) General Offer
_____________ is a game of chance. (a) Conditional Contract (b) Contingent Contract (c) Wagering Contract (d) Quasi Contract
There is no binding contract in case of _______ as one's offer cannot be constructed as acceptance (a) Cross Offer (b) Standing Offer (c) Counter Offer (d) Special Offer
An offer is made with an intention to have negotiation from other party. This type of offer is: (a) Invitation to offer (b) Valid offer (c) Voidable (d) None of the above
When an offer is made to the world at large, it is ____________ offer. (a) Counter (b) Special (c) General (d) None of the above
Implied contract even if not in writing or express words is perfectly _______________ if all the conditions are satisfied:- (a) Void (b) Voidable (c) Valid (d) Illegal
A specific offer can be accepted by ___________. (a) Any person (b) Any friend to offeror (c) The person to whom it is made (d) Any friend of offeree
An agreement toput a fire on a person's car is a ______: (a) Legal (b) Voidable (c) Valid (d) Illegal
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