diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 0487a66c..1f39fdab 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -22,7 +22,7 @@ jobs:
 
       - uses: rust3ds/test-runner/setup@v1
         with:
-          toolchain: nightly
+          toolchain: nightly-2024-02-18
 
       - name: Build workspace docs
         run: cargo 3ds --verbose doc --verbose --no-deps --workspace
diff --git a/ctru-sys/build.rs b/ctru-sys/build.rs
index 278bd00a..71ad909c 100644
--- a/ctru-sys/build.rs
+++ b/ctru-sys/build.rs
@@ -76,9 +76,18 @@ fn main() {
         .layout_tests(true)
         .ctypes_prefix("::libc")
         .prepend_enum_name(false)
+        .allowlist_file(include_path.join("3ds[.]h").to_string_lossy())
+        .allowlist_file(include_path.join("3ds/.*").to_string_lossy())
+        .allowlist_function("__errno")
+        .blocklist_function("gethost(id|name)")
         .blocklist_type("u(8|16|32|64)")
         .blocklist_type("__builtin_va_list")
         .blocklist_type("__va_list")
+        .blocklist_type("timeval")
+        .blocklist_type("in_addr")
+        .blocklist_type("sockaddr_storage")
+        .blocklist_type("(in_addr|wchar|socklen|suseconds|sa_family|time)_t")
+        .blocklist_item("SOL_CONFIG")
         .opaque_type("MiiData")
         .derive_default(true)
         .wrap_static_fns(true)
diff --git a/ctru-sys/src/lib.rs b/ctru-sys/src/lib.rs
index b9f71de9..ed2127b7 100644
--- a/ctru-sys/src/lib.rs
+++ b/ctru-sys/src/lib.rs
@@ -3,6 +3,7 @@
 #![allow(non_camel_case_types)]
 #![allow(non_snake_case)]
 #![allow(clippy::all)]
+#![deny(ambiguous_glob_reexports)]
 #![cfg_attr(test, feature(custom_test_frameworks))]
 #![cfg_attr(test, test_runner(test_runner::run_gdb))]
 #![doc(
@@ -16,7 +17,19 @@
 pub mod result;
 pub use result::*;
 
-include!(concat!(env!("OUT_DIR"), "/bindings.rs"));
+// By only exporting the `libc` module in tests, we can catch any potential conflicts between
+// generated bindings and existing `libc` types, since we use #[deny(ambiguous_glob_reexports)].
+#[cfg(test)]
+pub use libc::*;
+
+mod bindings {
+    // Meanwhile, make sure generated bindings can still refer to libc types if needed:
+    use libc::*;
+
+    include!(concat!(env!("OUT_DIR"), "/bindings.rs"));
+}
+
+pub use bindings::*;
 
 /// In lieu of a proper errno function exposed by libc
 /// (<https://github.com/rust-lang/libc/issues/1995>).