Code Size of coreHTTP (example generated with GCC for ARM Cortex-M)
File	With -O1 Optimization	With -Os Optimization
core_http_client.c	3.1K	2.5K
api.c (llhttp)	2.6K	2.0K
http.c (llhttp)	0.3K	0.3K
llhttp.c (llhttp)	17.9K	15.9K
Total estimates	23.9K	20.7K