diff --git a/bash-5.1/r_braces/src/lib.rs b/bash-5.1/r_braces/src/lib.rs
new file mode 100644
index 0000000000000000000000000000000000000000..d92371cb24bb3e545b8b5869d4e1096a4738b148
--- /dev/null
+++ b/bash-5.1/r_braces/src/lib.rs
@@ -0,0 +1,27 @@
+use libc::*;
+use r_bash::*;
+
+pub type __intmax_t = libc::c_long;
+pub type intmax_t = __intmax_t;
+// pub type mbstate_t = __mbstate_t;
+
+pub const _ISdigit: libc::c_uint = 2048;
+pub const _ISalpha: libc::c_uint = 1024;
+const CHAR_BIT : libc::c_int = 8 as libc::c_int;
+static mut  errno :  libc::c_int = 0 as libc::c_int;
+
+#[macro_export] 
+macro_rules! ST_BAD {
+    () =>{
+        0 as libc::c_int
+    }
+}
+
+#[macro_export] 
+macro_rules! ST_INT {
+    () =>{
+        1 as libc::c_int
+    }
+}
+
+