Constant libc::SO_RCVTIMEO_NEW

pub const SO_RCVTIMEO_NEW: ::c_int = 66;

The portability is definied by: #[cfg(all(all(any(target_arch = "x86", target_arch = "x86_64", target_arch = "aarch64"), not(target_env = "musl")), not(any())))]