diff --git a/src/lib_c/aarch64-linux-gnu/c/termios.cr b/src/lib_c/aarch64-linux-gnu/c/termios.cr
index 867da29b0afe..3699be92f001 100644
--- a/src/lib_c/aarch64-linux-gnu/c/termios.cr
+++ b/src/lib_c/aarch64-linux-gnu/c/termios.cr
@@ -7,6 +7,13 @@ lib LibC
   VINTR     =        0
   VKILL     =        3
   VMIN      =        6
+  VSWTC     =        7
+  VREPRINT  =       12
+  VDISCARD  =       13
+  VWERASE   =       14
+  VLNEXT    =       15
+  VEOL2     =       16
+  VTIME     =        5
   VQUIT     =        1
   VSTART    =        8
   VSTOP     =        9
diff --git a/src/lib_c/aarch64-linux-musl/c/termios.cr b/src/lib_c/aarch64-linux-musl/c/termios.cr
index 49da2c3d0751..449c0a4effb1 100644
--- a/src/lib_c/aarch64-linux-musl/c/termios.cr
+++ b/src/lib_c/aarch64-linux-musl/c/termios.cr
@@ -7,6 +7,13 @@ lib LibC
   VINTR     =        0
   VKILL     =        3
   VMIN      =        6
+  VSWTC     =        7
+  VREPRINT  =       12
+  VDISCARD  =       13
+  VWERASE   =       14
+  VLNEXT    =       15
+  VEOL2     =       16
+  VTIME     =        5
   VQUIT     =        1
   VSTART    =        8
   VSTOP     =        9
diff --git a/src/lib_c/arm-linux-gnueabihf/c/termios.cr b/src/lib_c/arm-linux-gnueabihf/c/termios.cr
index 867da29b0afe..3699be92f001 100644
--- a/src/lib_c/arm-linux-gnueabihf/c/termios.cr
+++ b/src/lib_c/arm-linux-gnueabihf/c/termios.cr
@@ -7,6 +7,13 @@ lib LibC
   VINTR     =        0
   VKILL     =        3
   VMIN      =        6
+  VSWTC     =        7
+  VREPRINT  =       12
+  VDISCARD  =       13
+  VWERASE   =       14
+  VLNEXT    =       15
+  VEOL2     =       16
+  VTIME     =        5
   VQUIT     =        1
   VSTART    =        8
   VSTOP     =        9
diff --git a/src/lib_c/i386-linux-gnu/c/termios.cr b/src/lib_c/i386-linux-gnu/c/termios.cr
index 867da29b0afe..3699be92f001 100644
--- a/src/lib_c/i386-linux-gnu/c/termios.cr
+++ b/src/lib_c/i386-linux-gnu/c/termios.cr
@@ -7,6 +7,13 @@ lib LibC
   VINTR     =        0
   VKILL     =        3
   VMIN      =        6
+  VSWTC     =        7
+  VREPRINT  =       12
+  VDISCARD  =       13
+  VWERASE   =       14
+  VLNEXT    =       15
+  VEOL2     =       16
+  VTIME     =        5
   VQUIT     =        1
   VSTART    =        8
   VSTOP     =        9
diff --git a/src/lib_c/i386-linux-musl/c/termios.cr b/src/lib_c/i386-linux-musl/c/termios.cr
index 49da2c3d0751..449c0a4effb1 100644
--- a/src/lib_c/i386-linux-musl/c/termios.cr
+++ b/src/lib_c/i386-linux-musl/c/termios.cr
@@ -7,6 +7,13 @@ lib LibC
   VINTR     =        0
   VKILL     =        3
   VMIN      =        6
+  VSWTC     =        7
+  VREPRINT  =       12
+  VDISCARD  =       13
+  VWERASE   =       14
+  VLNEXT    =       15
+  VEOL2     =       16
+  VTIME     =        5
   VQUIT     =        1
   VSTART    =        8
   VSTOP     =        9
diff --git a/src/lib_c/x86_64-linux-gnu/c/termios.cr b/src/lib_c/x86_64-linux-gnu/c/termios.cr
index 867da29b0afe..3699be92f001 100644
--- a/src/lib_c/x86_64-linux-gnu/c/termios.cr
+++ b/src/lib_c/x86_64-linux-gnu/c/termios.cr
@@ -7,6 +7,13 @@ lib LibC
   VINTR     =        0
   VKILL     =        3
   VMIN      =        6
+  VSWTC     =        7
+  VREPRINT  =       12
+  VDISCARD  =       13
+  VWERASE   =       14
+  VLNEXT    =       15
+  VEOL2     =       16
+  VTIME     =        5
   VQUIT     =        1
   VSTART    =        8
   VSTOP     =        9
diff --git a/src/lib_c/x86_64-linux-musl/c/termios.cr b/src/lib_c/x86_64-linux-musl/c/termios.cr
index 49da2c3d0751..449c0a4effb1 100644
--- a/src/lib_c/x86_64-linux-musl/c/termios.cr
+++ b/src/lib_c/x86_64-linux-musl/c/termios.cr
@@ -7,6 +7,13 @@ lib LibC
   VINTR     =        0
   VKILL     =        3
   VMIN      =        6
+  VSWTC     =        7
+  VREPRINT  =       12
+  VDISCARD  =       13
+  VWERASE   =       14
+  VLNEXT    =       15
+  VEOL2     =       16
+  VTIME     =        5
   VQUIT     =        1
   VSTART    =        8
   VSTOP     =        9