Constant libc::PACKET_MR_UNICAST
pub const PACKET_MR_UNICAST: ::c_int = 3;
The portability is definied by:
#[cfg(all(not(target_env = "uclibc"), not(any())))]
pub const PACKET_MR_UNICAST: ::c_int = 3;
#[cfg(all(not(target_env = "uclibc"), not(any())))]