code: function checkHeaderFromBuffer(file, ctx) {
  		if (isLicenseHeaderPresent(file)) {
  			log(file.path, ctx);
  		} else {
  			error(file.path, ctx);
  		}
  	}
docs: Check header from buffer.
  
  @param {object} file - current file from buffer.
  @param {object} ctx - context.