Auto merge of #919 - Susurrus:netbsd_termios_ioctl, r=alexcrichton

Add termios ioctl constants to NetBSD

These are all declared as `c_ulong` because that's what BSD's `ioctl()` function is declared with.

Author: bors

src/unix/bsd/netbsdlike/mod.rs

@@ -532,6 +532,21 @@ pub const CRTS_IFLOW: ::tcflag_t = CRTSCTS;
 pub const CCTS_OFLOW: ::tcflag_t = CRTSCTS;
 pub const OCRNL: ::tcflag_t = 0x10;
 
+pub const TIOCEXCL: ::c_ulong = 0x2000740d;
+pub const TIOCNXCL: ::c_ulong = 0x2000740e;
+pub const TIOCFLUSH: ::c_ulong = 0x80047410;
+pub const TIOCGETA: ::c_ulong = 0x402c7413;
+pub const TIOCSETA: ::c_ulong = 0x802c7414;
+pub const TIOCSETAW: ::c_ulong = 0x802c7415;
+pub const TIOCSETAF: ::c_ulong = 0x802c7416;
+pub const TIOCGETD: ::c_ulong = 0x4004741a;
+pub const TIOCSETD: ::c_ulong = 0x8004741b;
+pub const TIOCMGET: ::c_ulong = 0x4004746a;
+pub const TIOCMBIC: ::c_ulong = 0x8004746b;
+pub const TIOCMBIS: ::c_ulong = 0x8004746c;
+pub const TIOCMSET: ::c_ulong = 0x8004746d;
+pub const TIOCSTART: ::c_ulong = 0x2000746e;
+pub const TIOCSTOP: ::c_ulong = 0x2000746f;
 pub const TIOCM_LE: ::c_int = 0o0001;
 pub const TIOCM_DTR: ::c_int = 0o0002;
 pub const TIOCM_RTS: ::c_int = 0o0004;