You will need the following libraries to build the C examples in this directory. You can use your OS package manager (brew, apt, pkg, ...) or install them from source.
Simply run make in this directory.
% make clean
% make
You can experiment with http3-client, http3-server, client and server using Docker.
The Examples Dockerfile builds a Debian image.
To build:
docker build -t cloudflare-quiche .
To make an HTTP/3 request:
docker run -it cloudflare-quiche http3-client https://cloudflare-quic.com