function lloc( input ) {
	return programSummary( input ).lloc;
}
Calculates the logical lines of code (LLOC) in a JavaScript program.

@param {(string|Buffer)} input - input program
@throws {TypeError} must provide a string or Buffer
@returns {NonNegativeInteger} logical lines of code (LLOC)

@example
var prog = 'var x = 5;\n';

var n = lloc( prog );
// returns 1