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C Interview Questions
Questions Answers Views Company eMail

What's a "sequence point"?

 3 7091

Why doesn't the code "int a = 1000, b = 1000; long int c = a * b;" work?

 7 11839

What's wrong with "char *p; *p = malloc(10);"?

 5 14017

I have a function which accepts, and is supposed to initialize,a pointer, but the pointer in the caller remains unchanged.

 1 3420

I have a function which accepts a pointer to an int. How can I pass a constant like 5 to it?

 3 4990

What does a run-time "null pointer assignment" error mean?

 2 7128

what is meant by the "equivalence of pointers and arrays" in C?

Satyam,

3 7841

What is the real difference between arrays and pointers?

Hexaware, Logic Pro, TCS,

27 58936

How do I declare a pointer to an array?

IBM,

6 11951

How can I set an array's size at run time?

 9 11677

When you call malloc() to allocate memory for a local pointer, do you have to explicitly free() it?

Aloha Technology,

2 7554

How does free() know how many bytes to free?

 8 18343

What's the difference between calloc() and malloc()?

 4 7107

What is alloca() and why is its use discouraged?

 1 5808

What are .h files and what should I put in them?

 3 5064

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Un-Answered Questions { C }

.find the output of the following program? char*myfunc(char*ptr) { ptr +=3; return (ptr); } int main() { char*x,*y; x="HELLO"; y=myfunc(x); printf("y = %s ",y); return 0; }

2007

Using functions, write a program that multiplies two arrays. Use the following functions: - Function ReadArray - Function MultiplyArrays - Function DisplayArrays

1897

write a programe to accept any two number and check the following condition using goto state ment.if a>b,print a & find whether it is even or odd and then print.and a

1455

What are operators in c?

588

Why do we use stdio h and conio h?

645




What is #include stdio h?

689

What do you mean by command line argument?

650

What are comments and how do you insert it in a C program?

748

about c language

1608

write a program in c language to print your bio-data on the screen by using functions.

6255

Explain how can you determine the size of an allocated portion of memory?

629

Why is c called a mid-level programming language?

733

What are lookup tables in c?

552

Difference between MAC vs. IP Addressing

645

What is #include stdlib h?

622

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