Read at https://medium.com/swlh/looking-under-the-hood-http-over-tcp-sockets-952a944c99da

Compile & Run

Parse an http response

clang client.c -o client.out && ./client.out www.wikipedia.com 80

Simulate client to server communication

clang test_server.c -o server.out && ./server.out 4466
clang client.c -o client.out && ./client.out localhost 4466

Capture

sudo tcpdump -i any port 80 -w t1.pkap
sudo tcpdump -i any port 4466 -w t1.pkap