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 6726

What is sparse file?

1 5252

How to set a variable in the environment list?

1 4987

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 104552

What is the Difference between Class and Struct?

Motorola,

10 14094

What is the Difference between Macro and ordinary definition?

Bosch, Cognizant, College School Exams Tests, Motorola,

3 26717

what are brk, sbrk?

Oracle,

1 8063

Why the use of alloca() is discouraged?

Oracle,

2 8612

Will Macros support multiple arguments ?

Oracle,

7 12211

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

Oracle,

3 6832

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

Oracle,

4 9490

#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 32677

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

6 20662

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 9829

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

TCS,

4 12851

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Un-Answered Questions { C }

Explain two-dimensional array.

1130

What is static identifier?

1280

Differentiate between the = symbol and == symbol?

1366

Can the “if” function be used in comparing strings?

1109

What are the characteristics of arrays in c?

1103

Explain the difference between structs and unions in c?

1068

what is the format specifier for printing a pointer value?

1074

What is the right type to use for boolean values in c? Is there a standard type?

1061

What are the application of void data type in c?

1236

What is the difference between a string and an array?

1259

what is associativity explain what is the precidence for * and & , * and ++ how the folloing declaration work 1) *&p; 2) *p++;

2488

Can an array be an Ivalue?

1138

How can you invoke another program from within a C program?

1121

How can I automatically locate a programs configuration files in the same directory as the executable?

1233

Design a program which assigns values to the array temperature. The program should then display the array with appropriate column and row headings.

2368

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