for while loop c code example

Example 1: c do while

do {
    // code
} while(/* condition */);

Example 2: WHILE loop in c

while( a < 20 ) {
      printf("value of a: %d\n", a);
      a++;
   }

Example 3: whiel loop in C

while (testExpression) 
{
    // statements inside the body of the loop 
}