Add TIOCSBRK and TIOCCBRK

Author: Susurrus

src/unix/linux_like/mod.rs

@@ -935,6 +935,8 @@ pub const ONOCR: ::tcflag_t = 0o000020;
 pub const ONLRET: ::tcflag_t = 0o000040;
 pub const OFILL: ::tcflag_t = 0o000100;
 pub const OFDEL: ::tcflag_t = 0o000200;
+pub const TIOCSBRK: ::c_int = 0x5427;
+pub const TIOCCBRK: ::c_int = 0x5428;
 
 pub const CLONE_VM: ::c_int = 0x100;
 pub const CLONE_FS: ::c_int = 0x200;