C Interview Questions
Questions Answers Views Company eMail

What is the difference between variable declaration and variable definition in c?

554

Why functions are used in c?

578

What is extern c used for?

561

Can we declare variable anywhere in c?

532

What is derived datatype in c?

627

What is the scope of an external variable in c?

561

What are different types of variables in c?

562

What is volatile variable in c with example?

579

What is local and global variable in c?

610

Can a void pointer point to a function?

563

What do you mean by scope of a variable in c?

536

What is main return c?

507

How do we declare variables in c?

559

What does sizeof return c?

590

What is const and volatile in c?

559


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Un-Answered Questions { C }

.main() { char *p = "hello world!"; p[0] = 'H'; printf("%s",p); }

696


What is character constants?

706


What is null in c?

590


Explain how do you search data in a data file using random access method?

687


Write a program to input the price of 1 burger and the number of burgers eaten by a group of friends .print the total amount to be paid by the group?

569






What is NULL pointer?

671


When should you not use a type cast?

650


Do you know the difference between exit() and _exit() function in c?

603


In which header file is the null macro defined?

841


Why main is not a keyword in c?

637


Explain indirection?

634


What is a floating point in c?

591


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

1998


What is c method?

527


How old is c programming language?

568