For example, if you need to print output or your program into the terminal, we use printf() in C. The most commonly used built-in functions in C are sacnf(), printf(), strcpy, strlwr, strcmp, strlen, strcat, and many more.īuilt-function is also known as library functions that are provided by the system to make the life of a developer easy by assisting them to do certain commonly used predefined tasks. Why is the inside-out expression equivalent? Because a is equivalent to *(a + b) which is equivalent to *(b + a) which is equivalent to b. What's the value of the expression 5?Įxplanation: The string mentioned 'abxdef' is an array, and the expression is equal to 'abxdef'. In this article, you will understand the questions you could expect at a fresher, intermediate, and advanced level.īasic Interview Questions On C 1. Write a program to find the node at which the intersection of two singly linked lists begins.Ĭ, one of the most popular computer languages today because of its structure, high-level abstraction, machine-independent feature, etc.Ĭ language was developed to write the UNIX operating system, hence it is strongly associated with UNIX, which is one of the most popular network operating systems in use today and the heart of internet data superhighway. Check for Balanced Parentheses using Stack Check whether the number is EVEN or ODD, without using any arithmetic or relational operators Multiply an Integer Number by 2 Without Using Multiplication Operator Subtract Two Number Without Using Subtraction Operator Add Two Numbers Without Using the Addition Operator When is the 'void' keyword used in a function What are header files and what are its uses in C programming? Differentiate Source Codes from Object Codes What is the use of a semicolon ( ) at the end of every program statement? Can you tell me how to check whether a linked list is circular? What is the difference between ‘g’ and “g” in C? What are dangling pointers? How are dangling pointers different from memory leaks? What is the difference between #include '.' and #include ? Why is it usually a bad idea to use gets()? Suggest a workaround. What is Dynamic memory allocation in C? Name the dynamic allocation functions. What is the difference between struct and union in C? Specify different types of decision control statements? What are the advantages of Macro over function? Difference between const char* p and char const* p? What is the difference between global int and static int declaration? Why doesn’t C support function overloading? How can a number be converted to a string? How can a string be converted to a number?

Binary subtraction overflow