Decision Making And Looping

In looping, a sequence of statements are executed until some condition is satisfied which is defined for termination of the loop.

The control is tested always for execution of the body of the loop. Depending on the position of the control statement in the loop, a control may be classified as the entry-controlled loop or as the exit-controlled loop.

In the entry-controlled loop, first the conditions are tested and if satisfied then only body of loop is executed. In the exit-controlled, the test is made at the end of the body, so the body is executed unconditionally first time.

A looping process, in general, would involve the following four steps:

The C language provides for three loop constructs for performing loop operations. They are:

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