if (logical-test1) { 
  process-stmts1; 
  return; 
  } 
if (logical-test2) { 
  process-stmts2; 
  return; 
  } 
...

##</code><code>##

if (test1) { 
  process-stmts1; 
  } 
elsif (test2) { 
  process-stmts2; 
  } 
...