diff --git a/src/unix/bsd/apple/mod.rs b/src/unix/bsd/apple/mod.rs
index e96f433f..2b5da7ff 100644
--- a/src/unix/bsd/apple/mod.rs
+++ b/src/unix/bsd/apple/mod.rs
@@ -492,6 +492,72 @@ pub const F_VOLPOSMODE: ::c_int = 4;
 
 pub const O_ACCMODE: ::c_int = 3;
 
+pub const TIOCMODG: ::c_ulong = 0x40047403;
+pub const TIOCMODS: ::c_ulong = 0x80047404;
+pub const TIOCM_LE: ::c_int = 0x1;
+pub const TIOCM_DTR: ::c_int = 0x2;
+pub const TIOCM_RTS: ::c_int = 0x4;
+pub const TIOCM_ST: ::c_int = 0x8;
+pub const TIOCM_SR: ::c_int = 0x10;
+pub const TIOCM_CTS: ::c_int = 0x20;
+pub const TIOCM_CAR: ::c_int = 0x40;
+pub const TIOCM_CD: ::c_int = 0x40;
+pub const TIOCM_RNG: ::c_int = 0x80;
+pub const TIOCM_RI: ::c_int = 0x80;
+pub const TIOCM_DSR: ::c_int = 0x100;
+pub const TIOCEXCL: ::c_int = 0x2000740d;
+pub const TIOCNXCL: ::c_int = 0x2000740e;
+pub const TIOCFLUSH: ::c_ulong = 0x80047410;
+pub const TIOCGETD: ::c_ulong = 0x4004741a;
+pub const TIOCSETD: ::c_ulong = 0x8004741b;
+pub const TIOCIXON: ::c_uint = 0x20007481;
+pub const TIOCIXOFF: ::c_uint = 0x20007480;
+pub const TIOCSBRK: ::c_uint = 0x2000747b;
+pub const TIOCCBRK: ::c_uint = 0x2000747a;
+pub const TIOCSDTR: ::c_uint = 0x20007479;
+pub const TIOCCDTR: ::c_uint = 0x20007478;
+pub const TIOCGPGRP: ::c_ulong = 0x40047477;
+pub const TIOCSPGRP: ::c_ulong = 0x80047476;
+pub const TIOCOUTQ: ::c_ulong = 0x40047473;
+pub const TIOCSTI: ::c_ulong = 0x80017472;
+pub const TIOCNOTTY: ::c_uint = 0x20007471;
+pub const TIOCPKT: ::c_ulong = 0x80047470;
+pub const TIOCPKT_DATA: ::c_int = 0x0;
+pub const TIOCPKT_FLUSHREAD: ::c_int = 0x1;
+pub const TIOCPKT_FLUSHWRITE: ::c_int = 0x2;
+pub const TIOCPKT_STOP: ::c_int = 0x4;
+pub const TIOCPKT_START: ::c_int = 0x8;
+pub const TIOCPKT_NOSTOP: ::c_int = 0x10;
+pub const TIOCPKT_DOSTOP: ::c_int = 0x20;
+pub const TIOCPKT_IOCTL: ::c_int = 0x40;
+pub const TIOCSTOP: ::c_uint = 0x2000746f;
+pub const TIOCSTART: ::c_uint = 0x2000746e;
+pub const TIOCMSET: ::c_ulong = 0x8004746d;
+pub const TIOCMBIS: ::c_ulong = 0x8004746c;
+pub const TIOCMBIC: ::c_ulong = 0x8004746b;
+pub const TIOCMGET: ::c_ulong = 0x4004746a;
+pub const TIOCREMOTE: ::c_ulong = 0x80047469;
+pub const TIOCGWINSZ: ::c_ulong = 0x40087468;
+pub const TIOCSWINSZ: ::c_ulong = 0x80087467;
+pub const TIOCUCNTL: ::c_ulong = 0x80047466;
+pub const TIOCSTAT: ::c_uint = 0x20007465;
+pub const TIOCSCONS: ::c_uint = 0x20007463;
+pub const TIOCCONS: ::c_ulong = 0x80047462;
+pub const TIOCSCTTY: ::c_uint = 0x20007461;
+pub const TIOCEXT: ::c_ulong = 0x80047460;
+pub const TIOCSIG: ::c_uint = 0x2000745f;
+pub const TIOCDRAIN: ::c_uint = 0x2000745e;
+pub const TIOCMSDTRWAIT: ::c_ulong = 0x8004745b;
+pub const TIOCMGDTRWAIT: ::c_ulong = 0x4004745a;
+pub const TIOCTIMESTAMP: ::c_ulong = 0x40107459;
+pub const TIOCDCDTIMESTAMP: ::c_ulong = 0x40107458;
+pub const TIOCSDRAINWAIT: ::c_ulong = 0x80047457;
+pub const TIOCGDRAINWAIT: ::c_ulong = 0x40047456;
+pub const TIOCDSIMICROCODE: ::c_uint = 0x20007455;
+pub const TIOCPTYGRANT: ::c_uint = 0x20007454;
+pub const TIOCPTYGNAME: ::c_uint = 0x40807453;
+pub const TIOCPTYUNLK: ::c_uint = 0x20007452;
+
 pub const SIGTRAP: ::c_int = 5;
 
 pub const GLOB_APPEND  : ::c_int = 0x0001;