diff --git a/bash-5.1/r_braces/src/lib.rs b/bash-5.1/r_braces/src/lib.rs
index d92371cb24bb3e545b8b5869d4e1096a4738b148..6b4f6e091ea53e61faa43a3a2fe2cd61f0090109 100644
--- a/bash-5.1/r_braces/src/lib.rs
+++ b/bash-5.1/r_braces/src/lib.rs
@@ -10,6 +10,17 @@ 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;
 
+extern "C" {
+    fn __strtol_internal(
+        __nptr: *const libc::c_char,
+        __endptr: *mut *mut libc::c_char,
+        __base: libc::c_int,
+        __group: libc::c_int,
+    ) -> libc::c_long;
+    // pub fn isalpha(arg1: ::std::os::raw::c_int) -> ::std::os::raw::c_int;
+    // pub fn isdigit(arg1: ::std::os::raw::c_int) -> ::std::os::raw::c_int;
+}
+
 #[macro_export] 
 macro_rules! ST_BAD {
     () =>{
@@ -24,4 +35,31 @@ macro_rules! ST_INT {
     }
 }
 
+#[inline]
+unsafe extern "C" fn strtoimax(
+    mut nptr: *const libc::c_char,
+    mut endptr: *mut *mut libc::c_char,
+    mut base: libc::c_int,
+) -> intmax_t {
+    return __strtol_internal(nptr, endptr, base, 0 as libc::c_int);
+}
+
+unsafe fn STREQN(a: *const c_char, b: *const c_char, n: i32) -> bool {
+    if n == 0 {
+        return true;
+    } else {
+        return *a == *b && libc::strncmp(a, b, n as libc::size_t) == 0;
+    }
+}
+
+#[inline]
+unsafe extern "C" fn is_basic(mut c: libc::c_char) -> libc::c_int {
+
+    return (*is_basic_table
+        .as_ptr()
+        .offset((c as libc::c_uchar as libc::c_int >> 5 as libc::c_int) as isize)
+        >> (c as libc::c_uchar as libc::c_int & 31 as libc::c_int)
+        & 1 as libc::c_int as libc::c_uint) as libc::c_int;
+}
+static mut brace_arg_separator: libc::c_int = ',' as i32;