Control statements in LPC:

  In all the following examples <statement> is either a single expression
  or function call or it's a block of statements enclosed in { }

  An expression is considered false in lpc _only_ if it es equal to the
  number zero, in all other caseses it is consider true.
  

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STATEMENT
	if - else - run on condition

SYNOPSIS
	if( expression ) <statement>
	or
	if( expression ) <statement> else <statement>

DESCRIPTION
	If is the simplest of all control structures, in the first form
	it runs the statement if the expression is true and in the second
	form it runs the first statement if the expression is true and the
	second if it is false.


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STATEMENT
	for - general loop statement

SYNOPSIS
	for ( expression1 ; expression2 ; expression3 ) <statement>

DESCRIPTION
	the above statement is exactly equal to:

	expression1;
	while( expression2 )
	{
		<statement>
		expression3;
	}

EXAMPLE
	int e;
	for(e=0;e<10;e++) write(e+"\n");

SEE ALSO
	while

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STATEMENT
	while - execute a statement while an expression is true

SYNOPSIS
	while( expression ) <statement>

DESCRIPTION
	While runns the statement until the expression is false. The
	expression is evaluated once for every loop. If the expression is
	false the first time the statement is never executed.

SEE ALSO
	for, do - while

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STATEMENT
	do - while - execute a statement while an expression true

SYNOPSIS
	do <statement> while ( expression );

DESCRIPTION
	do - while only differs from the ordinary while-loop in that it does
	_not_ evaluate the expression until after the statement has been
	executed once. Thus it always runs the statement once.

SEE ALSO
	do - while

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STATEMENT
	switch - case - Complicated conditional statement

SYNOPSIS
	switch( expression )
	{
	  case constant1:
		<statement1>

	  case constant2:
		<statement2>
		break;

	  default:
		<statement3>
	}

DESCRIPTION
	Switch evaluates the expression give and then executes one or more
	statement accordingly to the result. If the result is equal to
	constant1 then statement1 will be executed, please observe that
	the second case-statement dos _not_ abort the execution in any way
	instead statement2 will also be executed. After that break will
	cause execution to continue after the after the last } in the
	switch statement. If the result is equal to constant2 only
	statement2 will be executed. In all other cases statement3 is
	executed because it is 'default'. Please note that the expression
	and constant can be either integers or string, but they can _not_
	be mixed in the same switch-statement.

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STATEMENT
	break - break a loop or switch

SYNOPSIS
	break;

DESCRIPTION
	Break jumps directly out of any loop or switch statement, it is
	a very vital part of every switch statement.

SEE ALSO
	do - while, while, for, switch

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STATEMENT
	continue - continue a loop

SYNOPSIS
	continue;

DESCRIPTION
	Continue work similarly to break only it does't finish the loop,
	it just aborts the rest of this turn in the loop. 

BUGS
	Don't use it in conjunction with the switch-statement.

SEE ALSO
	do - while, while, for

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STATEMENT
	return - return from a function

SYNOPSIS
	return;
	or
	return expression;

DESCRIPTION
	Return jumps directly out of a function returning the given value to
	the calling function. If no expression is given, 0 is returned.

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