while
The {loop} construct found in nearly all {imperative} programming languages which executes one or more
instructions (the "loop body") repeatedly so long as some
condition evaluates to true. In contrast to a {repeat} loop,
the loop body will not be executed at all if the condition is
false on entry to the while.
For example, in {C}, a while loop is written
while () ;
where is any expression and is any
statement, including a compound statement within braces
"{..}".
(1995-03-14)