Syntax of do while loop

initialization;
do
{
    // statements
} while(condition);

In do while loop first iteration always be executed even the condition is false.If you think

do-while

as English like language word, it says- first do then check condition given in while.
Example:
condition is false at first iteration:

#include<stdio.h>
int main()
{
    int i=10;
    do
    {
        printf(&amp;quot;I am inside do-while() loopn&amp;quot;);
        i++;
    }while(i&amp;gt;12);
}

OUTPUT

I am inside do-while() loop

condition is true at first iteration:

#include<stdio.h>
int main()
{
    int i=10;
    do
    {
        printf(&amp;quot;I am inside do-while() loopn&amp;quot;);
        i++;
    }while(i>12);
}

OUTPUT

I am inside do-while() loop
I am inside do-while() loop

Next Previous