break identifieropt;terminates execution of
while
, do
, for
, case
, and alt
statements. Execution of break
with no identifier transfers control to the statement after the innermost while
, do
, for
, case,
or alt
statement in which it appears as a substatement. Execution of break
with an identifier transfers control to the next statement after the unique enclosing while
, do
, for
, case
, or alt
labelled with that identifier.