𝐥𝐢𝐛𝐮𝐯 is a cross-platform 𝐂 𝐥𝐢𝐛𝐫𝐚𝐫𝐲 that serves as the 𝐟𝐨𝐮𝐧𝐝𝐚𝐭𝐢𝐨𝐧 𝐟𝐨𝐫 𝐭𝐡𝐞 𝐍𝐨𝐝𝐞 𝐉𝐬 𝐫𝐮𝐧𝐭𝐢𝐦𝐞, providing its core asynchronous, event-driven I/O capabilities.