message: Add protocol families
diff: @@ -4,7 +4,6 @@ pub const SOCK_STREAM: c_int = 1;
  pub const SOCK_DGRAM: c_int = 2;
  pub const SOCK_NONBLOCK: c_int = 0o4000;
  pub const SOCK_CLOEXEC: c_int = 0o2000000;
  -pub const AF_INET: c_int = 2;
  // Other constants
  pub const SOCK_SEQPACKET: c_int = 5;
  @@ -49,10 +48,16 @@ pub const MSG_PEEK: c_int = 2;
  pub const MSG_TRUNC: c_int = 32;
  pub const MSG_WAITALL: c_int = 256;
  +pub const AF_INET: c_int = 2;
  pub const AF_INET6: c_int = 10;
  pub const AF_UNIX: c_int = 1;
  pub const AF_UNSPEC: c_int = 0;
  +pub const PF_INET: c_int = AF_INET;
  +pub const PF_INET6: c_int = AF_INET6;
  +pub const PF_UNIX: c_int = AF_UNIX;
  +pub const PF_UNSPEC: c_int = AF_UNSPEC;
  +
  pub const SHUT_RD: c_int = 0;
  pub const SHUT_RDWR: c_int = 2;
  pub const SHUT_WR: c_int = 1;
  