wslay: wslay (The WebSocket library in C) wslay: wslay: Wslay is a WebSocket library written in C. It implements the protocol wslay: version 13 described in RFC 6455. This library offers 2 levels of wslay: API: event-based API and frame-based low-level API. For event-based wslay: API, it is suitable for non-blocking reactor pattern style. You can wslay: set callbacks in various events. For frame-based API, you can send wslay: WebSocket frame directly. Wslay only supports data transfer part of wslay: WebSocket protocol and does not perform opening handshake in HTTP. wslay: wslay: