##Libwebsockets API introduction Libwebsockets covers a lot of interesting features for people making embedded servers or clients - HTTP(S) serving and client operation - HTTP/2 support for serving and client operation - WS(S) serving and client operation - HTTP(S) apis for file transfer and upload - HTTP 1 + 2 POST form handling (including multipart / file upload) - cookie-based sessions - account management (including registration, email verification, lost pw etc) - strong SSL / TLS PFS support (A+ on SSLlabs test) - ssh server integration - serving gzipped files directly from inside zip files, without conversion - support for linux, bsd, windows etc... and very small nonlinux targets like ESP32 Please note you just need in include libwebsockets.h. It includes all the individual includes in /usr/include/libwebsockets/ itself. You can browse by api category here A collection of READMEs for build, coding, lwsws etc are here