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

C Interview Questions

Questions Answers Views Company eMail

What are the different pointer models in c?

4 6598

What is sparse file?

1 5160

How to set a variable in the environment list?

1 4908

How to reverse a string using a recursive function, without swapping or using an extra memory?

Cisco, Mind Tree, Motorola, Ophio, Sony, TCS, Wipro,

31 103546

What is the Difference between Class and Struct?

Motorola,

10 13830

What is the Difference between Macro and ordinary definition?

Bosch, Cognizant, College School Exams Tests, Motorola,

3 26556

what are brk, sbrk?

Oracle,

1 7970

Why the use of alloca() is discouraged?

Oracle,

2 8511

Will Macros support multiple arguments ?

Oracle,

7 11977

what about "char *(*(*a[])())();"

Oracle,

3 6680

Go through the following code sinippet char a[20]; a="Hello Orcale Test"; will this compile?

Oracle,

4 9299

#include #define sqr(x) (x*x) int main() { int x=2; printf("value of x=%d",sqr(x+1)); } What is the value of x?

Accel Frontline, Opera, Oracle,

16 32248

1 232 34543 4567654 can anyone tell me how to slove this c question

6 20472

Determine the code below, tell me exactly how many times is the operation sum++ performed ? for ( i = 0; i < 100; i++ ) for ( j = 100; j > 100 - i; j--) sum++;

ITCO, Wipro,

5 9659

int main() { int *p=new int; *p=10; del p; cout<<*p; *p= 60; cout<<*p; } what will be the output & why?

TCS,

4 12733

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Un-Answered Questions { C }

How can I change their mode to binary?

1119

What is conio h in c?

1049

What is data structure in c language?

1112

What is a null pointer assignment error? What are bus errors, memory faults, and core dumps?

1436

Explain the use of #pragma exit?

1181

Can the curly brackets { } be used to enclose a single line of code?

1173

Suppose we have a table name EMP as below. We want to perform a operation in which, I want to change name ‘SMITH’ from as ‘SMITH JAIN’. Also I want to change the name of the column from ENAME to E_NAME. EMPNO ENAME JOB MGR HIREDATE SAL 7369 SMITH Coder 7902 17-DEC-80 800 7499 ALLEN SALESMAN 7698 20-FEB-81 1600 7521 WARD SALESMAN 7698 22-FEB-81 1250

1965

Explain null pointer.

1120

why arguments can generally be passed to functions a) sending the values of the arguments b) sending the addresses of the arguments c) a & b d) none of the above

1132

What does %p mean?

1087

what are bit fields? What is the use of bit fields in a structure declaration?

2137

What is && in c programming?

1166

Is main an identifier in c?

1144

What is graph in c?

1059

can anyone suggest some site name..where i can get some good data structure puzzles???

2084

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