Do-While Loops

Do-While loops are designed to do something until a certain condition evaluates to false, but at least execute the action once. This means, that a do-while loop could also run infinitely when the condition never gets fulfilled.
Like the if statement, the condition of the do-while loop must evaluate to a boolean value, but can hold complex, nested expressions.

Usage¶

Here is an example of a simple do-while loop:

1
2
3
4
5

int counter = 0;
do {
    printf("Loop run %d", counter);
    counter++;
} while counter < 20;

If you wanted to intentionally achieve an endless loop, you would write something like this:

1
2
3

do {
    printf("This is gonna run forever ...");
} while true;