in src/crt.c [71:80]
void aws_crt_clean_up(void) {
aws_auth_library_clean_up();
aws_http_library_clean_up();
aws_compression_library_clean_up();
aws_io_library_clean_up();
aws_cal_library_clean_up();
aws_common_library_clean_up();
shutdown_crypto();
shutdown_allocator();
}