Constant libc::TCP_FASTOPEN_CONNECT
pub const TCP_FASTOPEN_CONNECT: ::c_int = 30;The portability is definied by:
#[cfg(all(not(target_os = "emscripten"), not(any())))]pub const TCP_FASTOPEN_CONNECT: ::c_int = 30;#[cfg(all(not(target_os = "emscripten"), not(any())))]