Infinite loops in C – Use and Debugging

Infinite loop is a looping construct that iterates forever. In programming life either intentionally or unintentionally, you come across an infinite loop. Generally a program in an infinite loop either produces continuous output or does nothing. Infinite loops are also known as indefinite or endless loop.

As a novice programmer, you must know how to debug an infinite loop. As an intermediate programmer you must know how and when to use infinite loop. Let us first learn when to use infinite loop and how to define.

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Do…while loop in C programming

C programming supports three types of looping statements for loop, while loop and do...while loop. Among three do...while loop is most distinct loop compared to others.

do...while is an exit controlled looping statement. We use do...while loop when there is a need to check condition after execution of loop body. do...while loop in any case executes minimum once.

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For loop in C programming

In real life we come across situations when we need to perform a set of task repeatedly till some condition is met. Such as – sending email to all employees, deleting all files, printing 1000 pages of a document. All of these tasks are performed in loop. To do such task C supports looping control statements.

For loop is an entry controlled looping statement. It is used to repeat set of statements until some condition is met.

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