diff --git a/src/unix/bsd/apple/mod.rs b/src/unix/bsd/apple/mod.rs
index f4343dee5b8cf..691e0ed97c160 100644
--- a/src/unix/bsd/apple/mod.rs
+++ b/src/unix/bsd/apple/mod.rs
@@ -2471,34 +2471,34 @@ pub const NOTE_TRACK: ::uint32_t = 0x00000001;
 pub const NOTE_TRACKERR: ::uint32_t = 0x00000002;
 pub const NOTE_CHILD: ::uint32_t = 0x00000004;
 
-pub const OCRNL: ::c_int = 0x00000010;
-pub const ONOCR: ::c_int = 0x00000020;
-pub const ONLRET: ::c_int = 0x00000040;
-pub const OFILL: ::c_int = 0x00000080;
-pub const NLDLY: ::c_int = 0x00000300;
-pub const TABDLY: ::c_int = 0x00000c04;
-pub const CRDLY: ::c_int = 0x00003000;
-pub const FFDLY: ::c_int = 0x00004000;
-pub const BSDLY: ::c_int = 0x00008000;
-pub const VTDLY: ::c_int = 0x00010000;
-pub const OFDEL: ::c_int = 0x00020000;
-
-pub const NL0: ::c_int  = 0x00000000;
-pub const NL1: ::c_int  = 0x00000100;
-pub const TAB0: ::c_int = 0x00000000;
-pub const TAB1: ::c_int = 0x00000400;
-pub const TAB2: ::c_int = 0x00000800;
-pub const CR0: ::c_int  = 0x00000000;
-pub const CR1: ::c_int  = 0x00001000;
-pub const CR2: ::c_int  = 0x00002000;
-pub const CR3: ::c_int  = 0x00003000;
-pub const FF0: ::c_int  = 0x00000000;
-pub const FF1: ::c_int  = 0x00004000;
-pub const BS0: ::c_int  = 0x00000000;
-pub const BS1: ::c_int  = 0x00008000;
-pub const TAB3: ::c_int = 0x00000004;
-pub const VT0: ::c_int  = 0x00000000;
-pub const VT1: ::c_int  = 0x00010000;
+pub const OCRNL: ::tcflag_t = 0x00000010;
+pub const ONOCR: ::tcflag_t = 0x00000020;
+pub const ONLRET: ::tcflag_t = 0x00000040;
+pub const OFILL: ::tcflag_t = 0x00000080;
+pub const NLDLY: ::tcflag_t = 0x00000300;
+pub const TABDLY: ::tcflag_t = 0x00000c04;
+pub const CRDLY: ::tcflag_t = 0x00003000;
+pub const FFDLY: ::tcflag_t = 0x00004000;
+pub const BSDLY: ::tcflag_t = 0x00008000;
+pub const VTDLY: ::tcflag_t = 0x00010000;
+pub const OFDEL: ::tcflag_t = 0x00020000;
+
+pub const NL0: ::tcflag_t  = 0x00000000;
+pub const NL1: ::tcflag_t = 0x00000100;
+pub const TAB0: ::tcflag_t = 0x00000000;
+pub const TAB1: ::tcflag_t = 0x00000400;
+pub const TAB2: ::tcflag_t = 0x00000800;
+pub const CR0: ::tcflag_t  = 0x00000000;
+pub const CR1: ::tcflag_t  = 0x00001000;
+pub const CR2: ::tcflag_t  = 0x00002000;
+pub const CR3: ::tcflag_t  = 0x00003000;
+pub const FF0: ::tcflag_t  = 0x00000000;
+pub const FF1: ::tcflag_t  = 0x00004000;
+pub const BS0: ::tcflag_t  = 0x00000000;
+pub const BS1: ::tcflag_t  = 0x00008000;
+pub const TAB3: ::tcflag_t = 0x00000004;
+pub const VT0: ::tcflag_t  = 0x00000000;
+pub const VT1: ::tcflag_t  = 0x00010000;
 pub const IUTF8: ::tcflag_t = 0x00004000;
 pub const CRTSCTS: ::tcflag_t = 0x00030000;
 
diff --git a/src/unix/notbsd/android/mod.rs b/src/unix/notbsd/android/mod.rs
index d2ba4c1fdaa99..b84d18e9b9485 100644
--- a/src/unix/notbsd/android/mod.rs
+++ b/src/unix/notbsd/android/mod.rs
@@ -1161,15 +1161,15 @@ pub const MCL_CURRENT: ::c_int = 0x0001;
 pub const MCL_FUTURE: ::c_int = 0x0002;
 
 pub const CBAUD: ::tcflag_t = 0o0010017;
-pub const TAB1: ::c_int = 0x00000800;
-pub const TAB2: ::c_int = 0x00001000;
-pub const TAB3: ::c_int = 0x00001800;
-pub const CR1: ::c_int  = 0x00000200;
-pub const CR2: ::c_int  = 0x00000400;
-pub const CR3: ::c_int  = 0x00000600;
-pub const FF1: ::c_int  = 0x00008000;
-pub const BS1: ::c_int  = 0x00002000;
-pub const VT1: ::c_int  = 0x00004000;
+pub const TAB1: ::tcflag_t = 0x00000800;
+pub const TAB2: ::tcflag_t = 0x00001000;
+pub const TAB3: ::tcflag_t = 0x00001800;
+pub const CR1: ::tcflag_t = 0x00000200;
+pub const CR2: ::tcflag_t = 0x00000400;
+pub const CR3: ::tcflag_t = 0x00000600;
+pub const FF1: ::tcflag_t = 0x00008000;
+pub const BS1: ::tcflag_t = 0x00002000;
+pub const VT1: ::tcflag_t = 0x00004000;
 pub const VWERASE: usize = 14;
 pub const VREPRINT: usize = 12;
 pub const VSUSP: usize = 10;
diff --git a/src/unix/notbsd/linux/mips/mod.rs b/src/unix/notbsd/linux/mips/mod.rs
index 083572a2c6c42..f9baacb4b64a3 100644
--- a/src/unix/notbsd/linux/mips/mod.rs
+++ b/src/unix/notbsd/linux/mips/mod.rs
@@ -597,15 +597,15 @@ pub const MCL_FUTURE: ::c_int = 0x0002;
 pub const SIGSTKSZ: ::size_t = 8192;
 pub const MINSIGSTKSZ: ::size_t = 2048;
 pub const CBAUD: ::tcflag_t = 0o0010017;
-pub const TAB1: ::c_int = 0x00000800;
-pub const TAB2: ::c_int = 0x00001000;
-pub const TAB3: ::c_int = 0x00001800;
-pub const CR1: ::c_int  = 0x00000200;
-pub const CR2: ::c_int  = 0x00000400;
-pub const CR3: ::c_int  = 0x00000600;
-pub const FF1: ::c_int  = 0x00008000;
-pub const BS1: ::c_int  = 0x00002000;
-pub const VT1: ::c_int  = 0x00004000;
+pub const TAB1: ::tcflag_t = 0x00000800;
+pub const TAB2: ::tcflag_t = 0x00001000;
+pub const TAB3: ::tcflag_t = 0x00001800;
+pub const CR1: ::tcflag_t = 0x00000200;
+pub const CR2: ::tcflag_t = 0x00000400;
+pub const CR3: ::tcflag_t = 0x00000600;
+pub const FF1: ::tcflag_t = 0x00008000;
+pub const BS1: ::tcflag_t = 0x00002000;
+pub const VT1: ::tcflag_t = 0x00004000;
 pub const VWERASE: usize = 14;
 pub const VREPRINT: usize = 12;
 pub const VSUSP: usize = 10;
diff --git a/src/unix/notbsd/linux/musl/b32/arm.rs b/src/unix/notbsd/linux/musl/b32/arm.rs
index c5feafc12dd64..f6117a3da3d59 100644
--- a/src/unix/notbsd/linux/musl/b32/arm.rs
+++ b/src/unix/notbsd/linux/musl/b32/arm.rs
@@ -150,17 +150,6 @@ s! {
         pub f_namemax: ::c_ulong,
         __f_spare: [::c_int; 6],
     }
-
-    pub struct termios2 {
-        pub c_iflag: ::tcflag_t,
-        pub c_oflag: ::tcflag_t,
-        pub c_cflag: ::tcflag_t,
-        pub c_lflag: ::tcflag_t,
-        pub c_line: ::cc_t,
-        pub c_cc: [::cc_t; 19],
-        pub c_ispeed: ::speed_t,
-        pub c_ospeed: ::speed_t,
-    }
 }
 
 pub const SIGSTKSZ: ::size_t = 8192;
diff --git a/src/unix/notbsd/linux/musl/b32/mips.rs b/src/unix/notbsd/linux/musl/b32/mips.rs
index 514c480eb0235..7fce2ad5a990c 100644
--- a/src/unix/notbsd/linux/musl/b32/mips.rs
+++ b/src/unix/notbsd/linux/musl/b32/mips.rs
@@ -161,17 +161,6 @@ s! {
         pub f_namemax: ::c_ulong,
         __f_spare: [::c_int; 6],
     }
-
-    pub struct termios2 {
-        pub c_iflag: ::tcflag_t,
-        pub c_oflag: ::tcflag_t,
-        pub c_cflag: ::tcflag_t,
-        pub c_lflag: ::tcflag_t,
-        pub c_line: ::cc_t,
-        pub c_cc: [::cc_t; 23],
-        pub c_ispeed: ::speed_t,
-        pub c_ospeed: ::speed_t,
-    }
 }
 
 pub const SIGSTKSZ: ::size_t = 8192;
diff --git a/src/unix/notbsd/linux/musl/b32/powerpc.rs b/src/unix/notbsd/linux/musl/b32/powerpc.rs
index f62cf6295d853..e3ffbb977f04f 100644
--- a/src/unix/notbsd/linux/musl/b32/powerpc.rs
+++ b/src/unix/notbsd/linux/musl/b32/powerpc.rs
@@ -153,17 +153,6 @@ s! {
         pub f_namemax: ::c_ulong,
         __f_spare: [::c_int; 6],
     }
-
-    pub struct termios2 {
-        pub c_iflag: ::tcflag_t,
-        pub c_oflag: ::tcflag_t,
-        pub c_cflag: ::tcflag_t,
-        pub c_lflag: ::tcflag_t,
-        pub c_cc: [::cc_t; 19],
-        pub c_line: ::cc_t,
-        pub c_ispeed: ::speed_t,
-        pub c_ospeed: ::speed_t,
-    }
 }
 
 pub const MADV_SOFT_OFFLINE: ::c_int = 101;
diff --git a/src/unix/notbsd/linux/musl/b32/x86.rs b/src/unix/notbsd/linux/musl/b32/x86.rs
index 95395f0a7afd0..28e7dc0012f02 100644
--- a/src/unix/notbsd/linux/musl/b32/x86.rs
+++ b/src/unix/notbsd/linux/musl/b32/x86.rs
@@ -154,17 +154,6 @@ s! {
         pub f_namemax: ::c_ulong,
         __f_spare: [::c_int; 6],
     }
-
-    pub struct termios2 {
-        pub c_iflag: ::tcflag_t,
-        pub c_oflag: ::tcflag_t,
-        pub c_cflag: ::tcflag_t,
-        pub c_lflag: ::tcflag_t,
-        pub c_line: ::cc_t,
-        pub c_cc: [::cc_t; 19],
-        pub c_ispeed: ::speed_t,
-        pub c_ospeed: ::speed_t,
-    }
 }
 
 s_no_extra_traits!{
diff --git a/src/unix/notbsd/linux/musl/b64/mod.rs b/src/unix/notbsd/linux/musl/b64/mod.rs
index 043ca8d976df1..34b376695735f 100644
--- a/src/unix/notbsd/linux/musl/b64/mod.rs
+++ b/src/unix/notbsd/linux/musl/b64/mod.rs
@@ -127,17 +127,6 @@ s! {
         pub _pad: [::c_int; 29],
         _align: [usize; 0],
     }
-
-    pub struct termios2 {
-        pub c_iflag: ::tcflag_t,
-        pub c_oflag: ::tcflag_t,
-        pub c_cflag: ::tcflag_t,
-        pub c_lflag: ::tcflag_t,
-        pub c_line: ::cc_t,
-        pub c_cc: [::cc_t; 19],
-        pub c_ispeed: ::speed_t,
-        pub c_ospeed: ::speed_t,
-    }
 }
 
 pub const __SIZEOF_PTHREAD_RWLOCK_T: usize = 56;
diff --git a/src/unix/notbsd/linux/other/b32/arm.rs b/src/unix/notbsd/linux/other/b32/arm.rs
index 7f00d9a1139a7..8396fcd501dc9 100644
--- a/src/unix/notbsd/linux/other/b32/arm.rs
+++ b/src/unix/notbsd/linux/other/b32/arm.rs
@@ -142,15 +142,15 @@ pub const MCL_FUTURE: ::c_int = 0x0002;
 pub const SIGSTKSZ: ::size_t = 8192;
 pub const MINSIGSTKSZ: ::size_t = 2048;
 pub const CBAUD: ::tcflag_t = 0o0010017;
-pub const TAB1: ::c_int = 0x00000800;
-pub const TAB2: ::c_int = 0x00001000;
-pub const TAB3: ::c_int = 0x00001800;
-pub const CR1: ::c_int  = 0x00000200;
-pub const CR2: ::c_int  = 0x00000400;
-pub const CR3: ::c_int  = 0x00000600;
-pub const FF1: ::c_int  = 0x00008000;
-pub const BS1: ::c_int  = 0x00002000;
-pub const VT1: ::c_int  = 0x00004000;
+pub const TAB1: ::tcflag_t = 0x00000800;
+pub const TAB2: ::tcflag_t = 0x00001000;
+pub const TAB3: ::tcflag_t = 0x00001800;
+pub const CR1: ::tcflag_t = 0x00000200;
+pub const CR2: ::tcflag_t = 0x00000400;
+pub const CR3: ::tcflag_t = 0x00000600;
+pub const FF1: ::tcflag_t = 0x00008000;
+pub const BS1: ::tcflag_t = 0x00002000;
+pub const VT1: ::tcflag_t = 0x00004000;
 pub const VWERASE: usize = 14;
 pub const VREPRINT: usize = 12;
 pub const VSUSP: usize = 10;
diff --git a/src/unix/notbsd/linux/other/b32/powerpc.rs b/src/unix/notbsd/linux/other/b32/powerpc.rs
index 0ea9034277928..d609d6792398f 100644
--- a/src/unix/notbsd/linux/other/b32/powerpc.rs
+++ b/src/unix/notbsd/linux/other/b32/powerpc.rs
@@ -132,15 +132,15 @@ pub const MCL_FUTURE: ::c_int = 0x4000;
 pub const SIGSTKSZ: ::size_t = 0x4000;
 pub const MINSIGSTKSZ: ::size_t = 4096;
 pub const CBAUD: ::tcflag_t = 0xff;
-pub const TAB1: ::c_int = 0x400;
-pub const TAB2: ::c_int = 0x800;
-pub const TAB3: ::c_int = 0xc00;
-pub const CR1: ::c_int  = 0x1000;
-pub const CR2: ::c_int  = 0x2000;
-pub const CR3: ::c_int  = 0x3000;
-pub const FF1: ::c_int  = 0x4000;
-pub const BS1: ::c_int  = 0x8000;
-pub const VT1: ::c_int  = 0x10000;
+pub const TAB1: ::tcflag_t = 0x400;
+pub const TAB2: ::tcflag_t = 0x800;
+pub const TAB3: ::tcflag_t = 0xc00;
+pub const CR1: ::tcflag_t = 0x1000;
+pub const CR2: ::tcflag_t = 0x2000;
+pub const CR3: ::tcflag_t = 0x3000;
+pub const FF1: ::tcflag_t = 0x4000;
+pub const BS1: ::tcflag_t = 0x8000;
+pub const VT1: ::tcflag_t = 0x10000;
 pub const VWERASE: usize = 0xa;
 pub const VREPRINT: usize = 0xb;
 pub const VSUSP: usize = 0xc;
diff --git a/src/unix/notbsd/linux/other/b32/x86.rs b/src/unix/notbsd/linux/other/b32/x86.rs
index e7c3b9a83adc9..6ccbfbbdb1586 100644
--- a/src/unix/notbsd/linux/other/b32/x86.rs
+++ b/src/unix/notbsd/linux/other/b32/x86.rs
@@ -348,15 +348,15 @@ pub const MCL_FUTURE: ::c_int = 0x0002;
 pub const SIGSTKSZ: ::size_t = 8192;
 pub const MINSIGSTKSZ: ::size_t = 2048;
 pub const CBAUD: ::tcflag_t = 0o0010017;
-pub const TAB1: ::c_int = 0x00000800;
-pub const TAB2: ::c_int = 0x00001000;
-pub const TAB3: ::c_int = 0x00001800;
-pub const CR1: ::c_int  = 0x00000200;
-pub const CR2: ::c_int  = 0x00000400;
-pub const CR3: ::c_int  = 0x00000600;
-pub const FF1: ::c_int  = 0x00008000;
-pub const BS1: ::c_int  = 0x00002000;
-pub const VT1: ::c_int  = 0x00004000;
+pub const TAB1: ::tcflag_t = 0x00000800;
+pub const TAB2: ::tcflag_t = 0x00001000;
+pub const TAB3: ::tcflag_t = 0x00001800;
+pub const CR1: ::tcflag_t = 0x00000200;
+pub const CR2: ::tcflag_t = 0x00000400;
+pub const CR3: ::tcflag_t = 0x00000600;
+pub const FF1: ::tcflag_t = 0x00008000;
+pub const BS1: ::tcflag_t = 0x00002000;
+pub const VT1: ::tcflag_t = 0x00004000;
 pub const VWERASE: usize = 14;
 pub const VREPRINT: usize = 12;
 pub const VSUSP: usize = 10;
diff --git a/src/unix/notbsd/linux/other/b64/aarch64.rs b/src/unix/notbsd/linux/other/b64/aarch64.rs
index 4433b775a99ea..a10a2b09768d1 100644
--- a/src/unix/notbsd/linux/other/b64/aarch64.rs
+++ b/src/unix/notbsd/linux/other/b64/aarch64.rs
@@ -439,15 +439,15 @@ pub const MCL_FUTURE: ::c_int = 0x0002;
 pub const SIGSTKSZ: ::size_t = 16384;
 pub const MINSIGSTKSZ: ::size_t = 5120;
 pub const CBAUD: ::tcflag_t = 0o0010017;
-pub const TAB1: ::c_int = 0x00000800;
-pub const TAB2: ::c_int = 0x00001000;
-pub const TAB3: ::c_int = 0x00001800;
-pub const CR1: ::c_int  = 0x00000200;
-pub const CR2: ::c_int  = 0x00000400;
-pub const CR3: ::c_int  = 0x00000600;
-pub const FF1: ::c_int  = 0x00008000;
-pub const BS1: ::c_int  = 0x00002000;
-pub const VT1: ::c_int  = 0x00004000;
+pub const TAB1: ::tcflag_t = 0x00000800;
+pub const TAB2: ::tcflag_t = 0x00001000;
+pub const TAB3: ::tcflag_t = 0x00001800;
+pub const CR1: ::tcflag_t = 0x00000200;
+pub const CR2: ::tcflag_t = 0x00000400;
+pub const CR3: ::tcflag_t = 0x00000600;
+pub const FF1: ::tcflag_t = 0x00008000;
+pub const BS1: ::tcflag_t = 0x00002000;
+pub const VT1: ::tcflag_t = 0x00004000;
 pub const VWERASE: usize = 14;
 pub const VREPRINT: usize = 12;
 pub const VSUSP: usize = 10;
diff --git a/src/unix/notbsd/linux/other/b64/powerpc64.rs b/src/unix/notbsd/linux/other/b64/powerpc64.rs
index 7c02bdfec5e4f..89f5ca15f75d8 100644
--- a/src/unix/notbsd/linux/other/b64/powerpc64.rs
+++ b/src/unix/notbsd/linux/other/b64/powerpc64.rs
@@ -450,15 +450,15 @@ pub const MCL_FUTURE: ::c_int = 0x4000;
 pub const SIGSTKSZ: ::size_t = 0x4000;
 pub const MINSIGSTKSZ: ::size_t = 4096;
 pub const CBAUD: ::tcflag_t = 0xff;
-pub const TAB1: ::c_int = 0x400;
-pub const TAB2: ::c_int = 0x800;
-pub const TAB3: ::c_int = 0xc00;
-pub const CR1: ::c_int  = 0x1000;
-pub const CR2: ::c_int  = 0x2000;
-pub const CR3: ::c_int  = 0x3000;
-pub const FF1: ::c_int  = 0x4000;
-pub const BS1: ::c_int  = 0x8000;
-pub const VT1: ::c_int  = 0x10000;
+pub const TAB1: ::tcflag_t = 0x400;
+pub const TAB2: ::tcflag_t = 0x800;
+pub const TAB3: ::tcflag_t = 0xc00;
+pub const CR1: ::tcflag_t = 0x1000;
+pub const CR2: ::tcflag_t = 0x2000;
+pub const CR3: ::tcflag_t = 0x3000;
+pub const FF1: ::tcflag_t = 0x4000;
+pub const BS1: ::tcflag_t = 0x8000;
+pub const VT1: ::tcflag_t = 0x10000;
 pub const VWERASE: usize = 0xa;
 pub const VREPRINT: usize = 0xb;
 pub const VSUSP: usize = 0xc;
diff --git a/src/unix/notbsd/linux/other/b64/sparc64.rs b/src/unix/notbsd/linux/other/b64/sparc64.rs
index 5d268658cc155..7c1362711e7f4 100644
--- a/src/unix/notbsd/linux/other/b64/sparc64.rs
+++ b/src/unix/notbsd/linux/other/b64/sparc64.rs
@@ -404,15 +404,15 @@ pub const MCL_FUTURE: ::c_int = 0x4000;
 pub const SIGSTKSZ: ::size_t = 16384;
 pub const MINSIGSTKSZ: ::size_t = 4096;
 pub const CBAUD: ::tcflag_t = 0x0000100f;
-pub const TAB1: ::c_int = 0x800;
-pub const TAB2: ::c_int = 0x1000;
-pub const TAB3: ::c_int = 0x1800;
-pub const CR1: ::c_int  = 0x200;
-pub const CR2: ::c_int  = 0x400;
-pub const CR3: ::c_int  = 0x600;
-pub const FF1: ::c_int  = 0x8000;
-pub const BS1: ::c_int  = 0x2000;
-pub const VT1: ::c_int  = 0x4000;
+pub const TAB1: ::tcflag_t = 0x800;
+pub const TAB2: ::tcflag_t = 0x1000;
+pub const TAB3: ::tcflag_t = 0x1800;
+pub const CR1: ::tcflag_t = 0x200;
+pub const CR2: ::tcflag_t = 0x400;
+pub const CR3: ::tcflag_t = 0x600;
+pub const FF1: ::tcflag_t = 0x8000;
+pub const BS1: ::tcflag_t = 0x2000;
+pub const VT1: ::tcflag_t = 0x4000;
 pub const VWERASE: usize = 0xe;
 pub const VREPRINT: usize = 0xc;
 pub const VSUSP: usize = 0xa;
diff --git a/src/unix/notbsd/linux/other/b64/x86_64.rs b/src/unix/notbsd/linux/other/b64/x86_64.rs
index 3bd8288ad10a6..0ef80014d0904 100644
--- a/src/unix/notbsd/linux/other/b64/x86_64.rs
+++ b/src/unix/notbsd/linux/other/b64/x86_64.rs
@@ -605,15 +605,15 @@ pub const MCL_FUTURE: ::c_int = 0x0002;
 pub const SIGSTKSZ: ::size_t = 8192;
 pub const MINSIGSTKSZ: ::size_t = 2048;
 pub const CBAUD: ::tcflag_t = 0o0010017;
-pub const TAB1: ::c_int = 0x00000800;
-pub const TAB2: ::c_int = 0x00001000;
-pub const TAB3: ::c_int = 0x00001800;
-pub const CR1: ::c_int  = 0x00000200;
-pub const CR2: ::c_int  = 0x00000400;
-pub const CR3: ::c_int  = 0x00000600;
-pub const FF1: ::c_int  = 0x00008000;
-pub const BS1: ::c_int  = 0x00002000;
-pub const VT1: ::c_int  = 0x00004000;
+pub const TAB1: ::tcflag_t = 0x00000800;
+pub const TAB2: ::tcflag_t = 0x00001000;
+pub const TAB3: ::tcflag_t = 0x00001800;
+pub const CR1: ::tcflag_t = 0x00000200;
+pub const CR2: ::tcflag_t = 0x00000400;
+pub const CR3: ::tcflag_t = 0x00000600;
+pub const FF1: ::tcflag_t = 0x00008000;
+pub const BS1: ::tcflag_t = 0x00002000;
+pub const VT1: ::tcflag_t = 0x00004000;
 pub const VWERASE: usize = 14;
 pub const VREPRINT: usize = 12;
 pub const VSUSP: usize = 10;
diff --git a/src/unix/notbsd/mod.rs b/src/unix/notbsd/mod.rs
index 854068bfce43a..26da78db8b50f 100644
--- a/src/unix/notbsd/mod.rs
+++ b/src/unix/notbsd/mod.rs
@@ -881,13 +881,13 @@ pub const TCOON: ::c_int = 1;
 pub const TCIFLUSH: ::c_int = 0;
 pub const TCOFLUSH: ::c_int = 1;
 pub const TCIOFLUSH: ::c_int = 2;
-pub const NL0: ::c_int  = 0x00000000;
-pub const NL1: ::c_int  = 0x00000100;
-pub const TAB0: ::c_int = 0x00000000;
-pub const CR0: ::c_int  = 0x00000000;
-pub const FF0: ::c_int  = 0x00000000;
-pub const BS0: ::c_int  = 0x00000000;
-pub const VT0: ::c_int  = 0x00000000;
+pub const NL0: ::tcflag_t = 0x00000000;
+pub const NL1: ::tcflag_t = 0x00000100;
+pub const TAB0: ::tcflag_t = 0x00000000;
+pub const CR0: ::tcflag_t = 0x00000000;
+pub const FF0: ::tcflag_t = 0x00000000;
+pub const BS0: ::tcflag_t = 0x00000000;
+pub const VT0: ::tcflag_t = 0x00000000;
 pub const VERASE: usize = 2;
 pub const VKILL: usize = 3;
 pub const VINTR: usize = 0;
diff --git a/src/unix/uclibc/mips/mod.rs b/src/unix/uclibc/mips/mod.rs
index 27f6fe58467f5..fa4b0cbb995aa 100644
--- a/src/unix/uclibc/mips/mod.rs
+++ b/src/unix/uclibc/mips/mod.rs
@@ -391,15 +391,15 @@ pub const MCL_FUTURE: ::c_int = 0x0002;
 
 pub const SIGSTKSZ: ::size_t = 8192;
 pub const CBAUD: ::tcflag_t = 0o0010017;
-pub const TAB1: ::c_int = 0x00000800;
-pub const TAB2: ::c_int = 0x00001000;
-pub const TAB3: ::c_int = 0x00001800;
-pub const CR1: ::c_int  = 0x00000200;
-pub const CR2: ::c_int  = 0x00000400;
-pub const CR3: ::c_int  = 0x00000600;
-pub const FF1: ::c_int  = 0x00008000;
-pub const BS1: ::c_int  = 0x00002000;
-pub const VT1: ::c_int  = 0x00004000;
+pub const TAB1: ::tcflag_t = 0x00000800;
+pub const TAB2: ::tcflag_t = 0x00001000;
+pub const TAB3: ::tcflag_t = 0x00001800;
+pub const CR1: ::tcflag_t = 0x00000200;
+pub const CR2: ::tcflag_t = 0x00000400;
+pub const CR3: ::tcflag_t = 0x00000600;
+pub const FF1: ::tcflag_t = 0x00008000;
+pub const BS1: ::tcflag_t = 0x00002000;
+pub const VT1: ::tcflag_t = 0x00004000;
 pub const VWERASE: usize = 14;
 pub const VREPRINT: usize = 12;
 pub const VSUSP: usize = 10;
diff --git a/src/unix/uclibc/mod.rs b/src/unix/uclibc/mod.rs
index 3fd64ca28130a..1852d92f6a2d6 100644
--- a/src/unix/uclibc/mod.rs
+++ b/src/unix/uclibc/mod.rs
@@ -910,13 +910,13 @@ pub const TCOON: ::c_int = 1;
 pub const TCIFLUSH: ::c_int = 0;
 pub const TCOFLUSH: ::c_int = 1;
 pub const TCIOFLUSH: ::c_int = 2;
-pub const NL0: ::c_int  = 0x00000000;
-pub const NL1: ::c_int  = 0x00000100;
-pub const TAB0: ::c_int = 0x00000000;
-pub const CR0: ::c_int  = 0x00000000;
-pub const FF0: ::c_int  = 0x00000000;
-pub const BS0: ::c_int  = 0x00000000;
-pub const VT0: ::c_int  = 0x00000000;
+pub const NL0: ::tcflag_t  = 0x00000000;
+pub const NL1: ::tcflag_t  = 0x00000100;
+pub const TAB0: ::tcflag_t = 0x00000000;
+pub const CR0: ::tcflag_t  = 0x00000000;
+pub const FF0: ::tcflag_t  = 0x00000000;
+pub const BS0: ::tcflag_t  = 0x00000000;
+pub const VT0: ::tcflag_t  = 0x00000000;
 pub const VERASE: usize = 2;
 pub const VKILL: usize = 3;
 pub const VINTR: usize = 0;