diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 1e2c904b4941..25e826839c9e 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -27,122 +27,123 @@ defaults:
     shell: bash
 
 jobs:
-  style_check:
-    name: Style check
-    runs-on: ubuntu-26.04
-    timeout-minutes: 10
-    steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
-        with:
-          persist-credentials: false
-      - name: Setup Rust toolchain
-        run: ./ci/install-rust.sh && rustup component add rustfmt
-      - name: Check style
-        run: ./ci/style.py
+  # style_check:
+  #   name: Style check
+  #   runs-on: ubuntu-26.04
+  #   timeout-minutes: 10
+  #   steps:
+  #     - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+  #       with:
+  #         persist-credentials: false
+  #     - name: Setup Rust toolchain
+  #       run: ./ci/install-rust.sh && rustup component add rustfmt
+  #     - name: Check style
+  #       run: ./ci/style.py
 
-  clippy:
-    name: Clippy on ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-26.04, macos-26, windows-2025]
-    runs-on: ${{ matrix.os }}
-    timeout-minutes: 10
-    steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
-        with:
-          persist-credentials: false
-      - run: rustup update stable --no-self-update
-      - uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
-      # Here we use the latest stable Rust toolchain already installed by GitHub
-      # Ideally we should run it for every target, but we cannot rely on unstable toolchains
-      # due to Clippy not being consistent between them.
-      - run: cargo clippy --workspace --exclude libc-test --exclude ctest-test --all-targets -- -D warnings
+  # clippy:
+  #   name: Clippy on ${{ matrix.os }}
+  #   strategy:
+  #     matrix:
+  #       os: [ubuntu-26.04, macos-26, windows-2025]
+  #   runs-on: ${{ matrix.os }}
+  #   timeout-minutes: 10
+  #   steps:
+  #     - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+  #       with:
+  #         persist-credentials: false
+  #     - run: rustup update stable --no-self-update
+  #     - uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
+  #     # Here we use the latest stable Rust toolchain already installed by GitHub
+  #     # Ideally we should run it for every target, but we cannot rely on unstable toolchains
+  #     # due to Clippy not being consistent between them.
+  #     - run: cargo clippy --workspace --exclude libc-test --exclude ctest-test --all-targets -- -D warnings
 
   # This runs `cargo build --target ...` for all T1 and T2 targets`
-  verify_build:
-    name: Verify build
-    strategy:
-      matrix:
-        toolchain: [stable, 1.65.0]
-        include:
-          # Nightly has a lot of targets, so split it in half
-          - toolchain: nightly
-            half: 1
-          - toolchain: nightly
-            half: 2
-          - toolchain: beta
-            only: '(aarch64|x86_64)' # just a spot check for beta
-          - toolchain: stable
-          - toolchain: 1.65.0 # msrv
-    runs-on: ubuntu-26.04
-    timeout-minutes: 25
-    env:
-      TOOLCHAIN: ${{ matrix.toolchain }}
-    steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
-        with:
-          persist-credentials: false
-      - name: Setup Rust toolchain
-        run: ./ci/install-rust.sh
+  # verify_build:
+  #   name: Verify build
+  #   strategy:
+  #     matrix:
+  #       toolchain: [stable, 1.65.0]
+  #       include:
+  #         # Nightly has a lot of targets, so split it in half
+  #         - toolchain: nightly
+  #           half: 1
+  #         - toolchain: nightly
+  #           half: 2
+  #         - toolchain: beta
+  #           only: '(aarch64|x86_64)' # just a spot check for beta
+  #         - toolchain: stable
+  #         - toolchain: 1.65.0 # msrv
+  #   runs-on: ubuntu-26.04
+  #   timeout-minutes: 25
+  #   env:
+  #     TOOLCHAIN: ${{ matrix.toolchain }}
+  #   steps:
+  #     - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+  #       with:
+  #         persist-credentials: false
+  #     - name: Setup Rust toolchain
+  #       run: ./ci/install-rust.sh
 
-      - name: Install semver-checks
-        uses: taiki-e/install-action@a6b2e2dcd845ddd7f509ce4f3ed3d922b80cc5d9 # v2.84.0
-        if: matrix.toolchain == 'stable'
-        with:
-          tool: cargo-semver-checks
+  #     - name: Install semver-checks
+  #       uses: taiki-e/install-action@a6b2e2dcd845ddd7f509ce4f3ed3d922b80cc5d9 # v2.84.0
+  #       if: matrix.toolchain == 'stable'
+  #       with:
+  #         tool: cargo-semver-checks
 
-      - name: Retrieve semver baseline
-        if: matrix.toolchain == 'stable'
-        run: ./ci/prep-semver-baseline.sh
+  #     - name: Retrieve semver baseline
+  #       if: matrix.toolchain == 'stable'
+  #       run: ./ci/prep-semver-baseline.sh
 
-      # FIXME(ci): These `du` statements are temporary for debugging cache
-      - name: Target size before restoring cache
-        run: du -sh target | sort -k 2 || true
-      - uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
-        with:
-          key: ${{ matrix.os }}-${{ matrix.toolchain }}
-      - name: Target size after restoring cache
-        run: du -sh target | sort -k 2 || true
+  #     # FIXME(ci): These `du` statements are temporary for debugging cache
+  #     - name: Target size before restoring cache
+  #       run: du -sh target | sort -k 2 || true
+  #     - uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
+  #       with:
+  #         key: ${{ matrix.os }}-${{ matrix.toolchain }}
+  #     - name: Target size after restoring cache
+  #       run: du -sh target | sort -k 2 || true
 
-      - name: Execute build check
-        run: |
-          set -eux
-          if [ "${{ matrix.toolchain }}" = "1.65.0" ]; then
-              # * Remove `-Dwarnings` at the MSRV since lints may be different
-              # * Allow `improper_ctypes` since pointers to ZSTs got the warning prior
-              #   to 1.72.
-              # * Enable `unknown_lints` since we have some config not known at this
-              #   version.
-              # FIXME(msrv): update this list when possible.
-              export RUSTFLAGS="-Aimproper_ctypes -Aunknown_lints"
-              # Remove `ctest` which uses the 2024 edition
-              perl -i -ne 'print unless /"ctest(-test)?",/ || /"libc-test",/' Cargo.toml
-          fi
+  #     - name: Execute build check
+  #       run: |
+  #         set -eux
+  #         if [ "${{ matrix.toolchain }}" = "1.65.0" ]; then
+  #             # * Remove `-Dwarnings` at the MSRV since lints may be different
+  #             # * Allow `improper_ctypes` since pointers to ZSTs got the warning prior
+  #             #   to 1.72.
+  #             # * Enable `unknown_lints` since we have some config not known at this
+  #             #   version.
+  #             # FIXME(msrv): update this list when possible.
+  #             export RUSTFLAGS="-Aimproper_ctypes -Aunknown_lints"
+  #             # Remove `ctest` which uses the 2024 edition
+  #             perl -i -ne 'print unless /"ctest(-test)?",/ || /"libc-test",/' Cargo.toml
+  #         fi
 
-          python3 ci/verify-build.py \
-            --toolchain "$TOOLCHAIN" \
-            ${BASELINE_CRATE_DIR:+"--baseline-crate-dir" "$BASELINE_CRATE_DIR"} \
-            ${{ matrix.only && format('--only "{0}"', matrix.only) }} \
-            ${{ matrix.half && format('--half "{0}"', matrix.half) }}
-      - name: Target size after job completion
-        run: du -sh target | sort -k 2
+  #         python3 ci/verify-build.py \
+  #           --toolchain "$TOOLCHAIN" \
+  #           ${BASELINE_CRATE_DIR:+"--baseline-crate-dir" "$BASELINE_CRATE_DIR"} \
+  #           ${{ matrix.only && format('--only "{0}"', matrix.only) }} \
+  #           ${{ matrix.half && format('--half "{0}"', matrix.half) }}
+  #     - name: Target size after job completion
+  #       run: du -sh target | sort -k 2
 
   test_tier1:
     name: Test tier1
     strategy:
+      fail-fast: false
       matrix:
         include:
-          - target: aarch64-apple-darwin
-            os: macos-26
+          # - target: aarch64-apple-darwin
+          #   os: macos-26
           - target: aarch64-pc-windows-msvc
             os: windows-11-arm
-          - target: aarch64-unknown-linux-gnu
-            os: ubuntu-26.04-arm
+          # - target: aarch64-unknown-linux-gnu
+          #   os: ubuntu-26.04-arm
           - target: i686-pc-windows-gnu
             os: windows-2025
           - target: i686-pc-windows-msvc
             os: windows-2025
-          - target: i686-unknown-linux-gnu
+          # - target: i686-unknown-linux-gnu
           - target: x86_64-pc-windows-gnu
             os: windows-2025
           - target: x86_64-pc-windows-msvc
@@ -187,255 +188,255 @@ jobs:
           path: ${{ env.ARCHIVE_PATH }}
           retention-days: 5
 
-  test_tier2:
-    name: Test tier2
-    needs: [test_tier1, style_check]
-    strategy:
-      fail-fast: true
-      max-parallel: 16
-      matrix:
-        include:
-          - target: aarch64-linux-android
-          - target: aarch64-unknown-linux-musl
-          - target: aarch64-unknown-linux-musl
-            env: { TEST_MUSL_V1_2_3: 1 }
-            artifact-tag: new-musl
-          - target: arm-linux-androideabi
-          - target: arm-unknown-linux-gnueabihf
-          - target: arm-unknown-linux-musleabihf
-          - target: arm-unknown-linux-musleabihf
-            env: { TEST_MUSL_V1_2_3: 1 }
-            artifact-tag: new-musl
-          # FIXME(#4297): Disabled due to spurious failue
-          # - target: i686-linux-android
-          - target: i686-unknown-linux-musl
-          - target: i686-unknown-linux-musl
-            env: { TEST_MUSL_V1_2_3: 1 }
-            artifact-tag: new-musl
-          - target: loongarch64-unknown-linux-gnu
-          - target: loongarch64-unknown-linux-musl
-          - target: loongarch64-unknown-linux-musl
-            env: { TEST_MUSL_V1_2_3: 1 }
-            artifact-tag: new-musl
-          - target: powerpc64-unknown-linux-gnu
-          - target: powerpc64-unknown-linux-musl
-          - target: powerpc64-unknown-linux-musl
-            env: { RUST_LIBC_UNSTABLE_MUSL_V1_2_3: 1 }
-            artifact-tag: new-musl
-          - target: powerpc64le-unknown-linux-gnu
-          - target: powerpc64le-unknown-linux-musl
-          - target: powerpc64le-unknown-linux-musl
-            env: { TEST_MUSL_V1_2_3: 1 }
-            artifact-tag: new-musl
-          - target: riscv64gc-unknown-linux-gnu
-          - target: s390x-unknown-linux-gnu
-          - target: sparc64-unknown-linux-gnu
-          - target: wasm32-unknown-emscripten
-          - target: wasm32-wasip1
-          - target: wasm32-wasip2
-          - target: x86_64-apple-darwin
-            os: macos-26-intel
-          - target: x86_64-linux-android
-            env: { TEST_CUTTLEFISH: 1 }
-            # Keep in sync with the Android build pinned in ci/cuttlefish-setup.sh
-            artifact-tag: android17
-          # FIXME: Exec format error (os error 8)
-          # - target: x86_64-unknown-linux-gnux32
-          - target: x86_64-unknown-linux-musl
-          - target: x86_64-unknown-linux-musl
-            env: { TEST_MUSL_V1_2_3: 1 }
-            artifact-tag: new-musl
-          # FIXME: It seems some items in `src/unix/mod.rs` aren't defined on redox actually.
-          # - target: x86_64-unknown-redox
+  # test_tier2:
+  #   name: Test tier2
+  #   needs: [test_tier1, style_check]
+  #   strategy:
+  #     fail-fast: true
+  #     max-parallel: 16
+  #     matrix:
+  #       include:
+  #         - target: aarch64-linux-android
+  #         - target: aarch64-unknown-linux-musl
+  #         - target: aarch64-unknown-linux-musl
+  #           env: { TEST_MUSL_V1_2_3: 1 }
+  #           artifact-tag: new-musl
+  #         - target: arm-linux-androideabi
+  #         - target: arm-unknown-linux-gnueabihf
+  #         - target: arm-unknown-linux-musleabihf
+  #         - target: arm-unknown-linux-musleabihf
+  #           env: { TEST_MUSL_V1_2_3: 1 }
+  #           artifact-tag: new-musl
+  #         # FIXME(#4297): Disabled due to spurious failue
+  #         # - target: i686-linux-android
+  #         - target: i686-unknown-linux-musl
+  #         - target: i686-unknown-linux-musl
+  #           env: { TEST_MUSL_V1_2_3: 1 }
+  #           artifact-tag: new-musl
+  #         - target: loongarch64-unknown-linux-gnu
+  #         - target: loongarch64-unknown-linux-musl
+  #         - target: loongarch64-unknown-linux-musl
+  #           env: { TEST_MUSL_V1_2_3: 1 }
+  #           artifact-tag: new-musl
+  #         - target: powerpc64-unknown-linux-gnu
+  #         - target: powerpc64-unknown-linux-musl
+  #         - target: powerpc64-unknown-linux-musl
+  #           env: { RUST_LIBC_UNSTABLE_MUSL_V1_2_3: 1 }
+  #           artifact-tag: new-musl
+  #         - target: powerpc64le-unknown-linux-gnu
+  #         - target: powerpc64le-unknown-linux-musl
+  #         - target: powerpc64le-unknown-linux-musl
+  #           env: { TEST_MUSL_V1_2_3: 1 }
+  #           artifact-tag: new-musl
+  #         - target: riscv64gc-unknown-linux-gnu
+  #         - target: s390x-unknown-linux-gnu
+  #         - target: sparc64-unknown-linux-gnu
+  #         - target: wasm32-unknown-emscripten
+  #         - target: wasm32-wasip1
+  #         - target: wasm32-wasip2
+  #         - target: x86_64-apple-darwin
+  #           os: macos-26-intel
+  #         - target: x86_64-linux-android
+  #           env: { TEST_CUTTLEFISH: 1 }
+  #           # Keep in sync with the Android build pinned in ci/cuttlefish-setup.sh
+  #           artifact-tag: android17
+  #         # FIXME: Exec format error (os error 8)
+  #         # - target: x86_64-unknown-linux-gnux32
+  #         - target: x86_64-unknown-linux-musl
+  #         - target: x86_64-unknown-linux-musl
+  #           env: { TEST_MUSL_V1_2_3: 1 }
+  #           artifact-tag: new-musl
+  #         # FIXME: It seems some items in `src/unix/mod.rs` aren't defined on redox actually.
+  #         # - target: x86_64-unknown-redox
 
-          # FIXME(ppc): SIGILL running tests, see
-          # https://github.com/rust-lang/libc/pull/4254#issuecomment-2636288713
-          # - target: powerpc-unknown-linux-gnu
-    runs-on: ${{ matrix.os && matrix.os || 'ubuntu-26.04' }}
-    timeout-minutes: 25
-    env:
-      TARGET: ${{ matrix.target }}
-    steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
-        with:
-          persist-credentials: false
-      - name: Setup Rust toolchain
-        run: ./ci/install-rust.sh
-      - uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
-        with:
-          key: ${{ matrix.target }}
+  #         # FIXME(ppc): SIGILL running tests, see
+  #         # https://github.com/rust-lang/libc/pull/4254#issuecomment-2636288713
+  #         # - target: powerpc-unknown-linux-gnu
+  #   runs-on: ${{ matrix.os && matrix.os || 'ubuntu-26.04' }}
+  #   timeout-minutes: 25
+  #   env:
+  #     TARGET: ${{ matrix.target }}
+  #   steps:
+  #     - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+  #       with:
+  #         persist-credentials: false
+  #     - name: Setup Rust toolchain
+  #       run: ./ci/install-rust.sh
+  #     - uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
+  #       with:
+  #         key: ${{ matrix.target }}
 
-      - name: Add matrix env variables to the environment
-        if: matrix.env
-        run: |
-          echo '${{ toJson(matrix.env) }}' |
-            jq -r 'to_entries | map("\(.key)=\(.value|tostring)") | .[]' >>$GITHUB_ENV
-        shell: bash
+  #     - name: Add matrix env variables to the environment
+  #       if: matrix.env
+  #       run: |
+  #         echo '${{ toJson(matrix.env) }}' |
+  #           jq -r 'to_entries | map("\(.key)=\(.value|tostring)") | .[]' >>$GITHUB_ENV
+  #       shell: bash
 
-      - name: Run natively
-        if: runner.os != 'Linux'
-        run: ./ci/run.sh ${{ matrix.target }}
-      - name: Run in Docker
-        if: runner.os == 'Linux'
-        run: ./ci/run-docker.sh ${{ matrix.target }}
+  #     - name: Run natively
+  #       if: runner.os != 'Linux'
+  #       run: ./ci/run.sh ${{ matrix.target }}
+  #     - name: Run in Docker
+  #       if: runner.os == 'Linux'
+  #       run: ./ci/run-docker.sh ${{ matrix.target }}
 
-      - name: Create CI artifacts
-        id: create_artifacts
-        if: always()
-        run: ./ci/create-artifacts.py
-      - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
-        if: always() && steps.create_artifacts.outcome == 'success'
-        with:
-          name: ${{ env.ARCHIVE_NAME }}-${{ matrix.target }}${{ matrix.artifact-tag && format('-{0}', matrix.artifact-tag) }}
-          path: ${{ env.ARCHIVE_PATH }}
-          retention-days: 5
+  #     - name: Create CI artifacts
+  #       id: create_artifacts
+  #       if: always()
+  #       run: ./ci/create-artifacts.py
+  #     - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
+  #       if: always() && steps.create_artifacts.outcome == 'success'
+  #       with:
+  #         name: ${{ env.ARCHIVE_NAME }}-${{ matrix.target }}${{ matrix.artifact-tag && format('-{0}', matrix.artifact-tag) }}
+  #         path: ${{ env.ARCHIVE_PATH }}
+  #         retention-days: 5
 
-  test_tier2_vm:
-    name: Test tier2 VM
-    needs: [test_tier1, style_check]
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: true
-      matrix:
-        include:
-          - release: "15.0"
-            target: i686-unknown-freebsd
-          - release: "14.4"
-            target: x86_64-unknown-freebsd
-          - release: "15.0"
-            target: x86_64-unknown-freebsd
-          - target: x86_64-pc-solaris
-          - target: x86_64-unknown-netbsd
-          - target: x86_64-unknown-illumos
-    timeout-minutes: 25
-    steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
-        with:
-          persist-credentials: false
-      - name: Test on FreeBSD
-        uses: vmactions/freebsd-vm@77ed28d336d03fe19a3f4f7266c1d2c4714dd79d # v1.5.2
-        if: contains(matrix.target, 'freebsd')
-        with:
-          release: ${{ matrix.release }}
-          envs: CARGO_TERM_COLOR CARGO_TERM_VERBOSE RUSTDOCFLAGS RUSTFLAGS RUST_BACKTRACE
-          usesh: true
-          copyback: false
-          prepare: ./ci/bsd-prepare.sh ${{ matrix.target }}
-          run: |
-            set -ex
-            . "$HOME/.cargo/env"
-            LIBC_CI=1 ./ci/run.sh ${{ matrix.target }}
-            ./ci/run.sh ${{ matrix.target }}
+  # test_tier2_vm:
+  #   name: Test tier2 VM
+  #   needs: [test_tier1, style_check]
+  #   runs-on: ubuntu-latest
+  #   strategy:
+  #     fail-fast: true
+  #     matrix:
+  #       include:
+  #         - release: "15.0"
+  #           target: i686-unknown-freebsd
+  #         - release: "14.4"
+  #           target: x86_64-unknown-freebsd
+  #         - release: "15.0"
+  #           target: x86_64-unknown-freebsd
+  #         - target: x86_64-pc-solaris
+  #         - target: x86_64-unknown-netbsd
+  #         - target: x86_64-unknown-illumos
+  #   timeout-minutes: 25
+  #   steps:
+  #     - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+  #       with:
+  #         persist-credentials: false
+  #     - name: Test on FreeBSD
+  #       uses: vmactions/freebsd-vm@77ed28d336d03fe19a3f4f7266c1d2c4714dd79d # v1.5.2
+  #       if: contains(matrix.target, 'freebsd')
+  #       with:
+  #         release: ${{ matrix.release }}
+  #         envs: CARGO_TERM_COLOR CARGO_TERM_VERBOSE RUSTDOCFLAGS RUSTFLAGS RUST_BACKTRACE
+  #         usesh: true
+  #         copyback: false
+  #         prepare: ./ci/bsd-prepare.sh ${{ matrix.target }}
+  #         run: |
+  #           set -ex
+  #           . "$HOME/.cargo/env"
+  #           LIBC_CI=1 ./ci/run.sh ${{ matrix.target }}
+  #           ./ci/run.sh ${{ matrix.target }}
 
-      - name: Test on Solaris
-        uses: vmactions/solaris-vm@315163f088b66e55bbcc45928bd224d4973b2312 # v1.3.8
-        if: contains(matrix.target, 'solaris')
-        with:
-          release: "11.4-gcc"
-          envs: CARGO_TERM_COLOR CARGO_TERM_VERBOSE RUSTDOCFLAGS RUSTFLAGS RUST_BACKTRACE
-          usesh: true
-          mem: 4096
-          copyback: false
-          prepare: ./ci/bsd-prepare.sh ${{ matrix.target }}
-          run: ./ci/bsd-run.sh ${{ matrix.target }}
+  #     - name: Test on Solaris
+  #       uses: vmactions/solaris-vm@315163f088b66e55bbcc45928bd224d4973b2312 # v1.3.8
+  #       if: contains(matrix.target, 'solaris')
+  #       with:
+  #         release: "11.4-gcc"
+  #         envs: CARGO_TERM_COLOR CARGO_TERM_VERBOSE RUSTDOCFLAGS RUSTFLAGS RUST_BACKTRACE
+  #         usesh: true
+  #         mem: 4096
+  #         copyback: false
+  #         prepare: ./ci/bsd-prepare.sh ${{ matrix.target }}
+  #         run: ./ci/bsd-run.sh ${{ matrix.target }}
 
-      - name: Test on NetBSD
-        uses: vmactions/netbsd-vm@0c26a4c4a5e234038862a4a53a00c905b8a107c9 # v1.4.2
-        if: contains(matrix.target, 'netbsd')
-        with:
-          release: "10.1"
-          envs: CARGO_TERM_COLOR CARGO_TERM_VERBOSE RUSTDOCFLAGS RUSTFLAGS RUST_BACKTRACE
-          usesh: true
-          mem: 4096
-          copyback: false
-          prepare: ./ci/bsd-prepare.sh ${{ matrix.target }}
-          run: ./ci/bsd-run.sh ${{ matrix.target }}
+  #     - name: Test on NetBSD
+  #       uses: vmactions/netbsd-vm@0c26a4c4a5e234038862a4a53a00c905b8a107c9 # v1.4.2
+  #       if: contains(matrix.target, 'netbsd')
+  #       with:
+  #         release: "10.1"
+  #         envs: CARGO_TERM_COLOR CARGO_TERM_VERBOSE RUSTDOCFLAGS RUSTFLAGS RUST_BACKTRACE
+  #         usesh: true
+  #         mem: 4096
+  #         copyback: false
+  #         prepare: ./ci/bsd-prepare.sh ${{ matrix.target }}
+  #         run: ./ci/bsd-run.sh ${{ matrix.target }}
 
-      - name: Test on illumos
-        uses: vmactions/omnios-vm@027e3ec08fed6fb740ab5f300c2605f9de02997a # v1.3.4
-        if: contains(matrix.target, 'illumos')
-        with:
-          # Use the latest LTS
-          release: "r151054-build"
-          envs: CARGO_TERM_COLOR CARGO_TERM_VERBOSE RUSTDOCFLAGS RUSTFLAGS RUST_BACKTRACE
-          usesh: true
-          mem: 4096
-          copyback: false
-          prepare: ./ci/bsd-prepare.sh ${{ matrix.target }}
-          run: ./ci/bsd-run.sh ${{ matrix.target }}
+  #     - name: Test on illumos
+  #       uses: vmactions/omnios-vm@027e3ec08fed6fb740ab5f300c2605f9de02997a # v1.3.4
+  #       if: contains(matrix.target, 'illumos')
+  #       with:
+  #         # Use the latest LTS
+  #         release: "r151054-build"
+  #         envs: CARGO_TERM_COLOR CARGO_TERM_VERBOSE RUSTDOCFLAGS RUSTFLAGS RUST_BACKTRACE
+  #         usesh: true
+  #         mem: 4096
+  #         copyback: false
+  #         prepare: ./ci/bsd-prepare.sh ${{ matrix.target }}
+  #         run: ./ci/bsd-run.sh ${{ matrix.target }}
 
-  ctest_msrv:
-    name: Check ctest MSRV
-    runs-on: ubuntu-26.04
-    timeout-minutes: 10
-    env:
-      RUSTFLAGS: "" # No need to check warnings on old MSRV, clear `-Dwarnings`
-    steps:
-    - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
-      with:
-        persist-credentials: false
-    - run: |
-        msrv="$(
-          cargo metadata --format-version 1 |
-          jq -r --arg CRATE_NAME ctest '.packages | map(select((.name == $CRATE_NAME) and (.id | startswith("path+file")))) | first | .rust_version'
-        )"
-        echo "MSRV: $msrv"
-        echo "MSRV=$msrv" >> "$GITHUB_ENV"
-    - name: Install Rust
-      run: rustup update "$MSRV" --no-self-update && rustup default "$MSRV"
-    - uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
-    - run: cargo build -p ctest
+  # ctest_msrv:
+  #   name: Check ctest MSRV
+  #   runs-on: ubuntu-26.04
+  #   timeout-minutes: 10
+  #   env:
+  #     RUSTFLAGS: "" # No need to check warnings on old MSRV, clear `-Dwarnings`
+  #   steps:
+  #   - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+  #     with:
+  #       persist-credentials: false
+  #   - run: |
+  #       msrv="$(
+  #         cargo metadata --format-version 1 |
+  #         jq -r --arg CRATE_NAME ctest '.packages | map(select((.name == $CRATE_NAME) and (.id | startswith("path+file")))) | first | .rust_version'
+  #       )"
+  #       echo "MSRV: $msrv"
+  #       echo "MSRV=$msrv" >> "$GITHUB_ENV"
+  #   - name: Install Rust
+  #     run: rustup update "$MSRV" --no-self-update && rustup default "$MSRV"
+  #   - uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
+  #   - run: cargo build -p ctest
 
-  docs:
-    name: Ensure docs build
-    runs-on: ubuntu-26.04
-    timeout-minutes: 10
-    steps:
-    - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
-      with:
-        persist-credentials: false
-    - name: Install Rust
-      run: rustup update nightly --no-self-update && rustup default nightly
-    - uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
-    - run: cargo doc --workspace --no-deps
+  # docs:
+  #   name: Ensure docs build
+  #   runs-on: ubuntu-26.04
+  #   timeout-minutes: 10
+  #   steps:
+  #   - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+  #     with:
+  #       persist-credentials: false
+  #   - name: Install Rust
+  #     run: rustup update nightly --no-self-update && rustup default nightly
+  #   - uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
+  #   - run: cargo doc --workspace --no-deps
 
-  zizmor:
-    name: Zizmor (Static analysis for GitHub Actions)
-    runs-on: ubuntu-24.04
-    permissions:
-      security-events: write
-    timeout-minutes: 10
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
-        with:
-          persist-credentials: false
+  # zizmor:
+  #   name: Zizmor (Static analysis for GitHub Actions)
+  #   runs-on: ubuntu-24.04
+  #   permissions:
+  #     security-events: write
+  #   timeout-minutes: 10
+  #   steps:
+  #     - name: Checkout repository
+  #       uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+  #       with:
+  #         persist-credentials: false
 
-      - name: Run zizmor
-        uses: zizmorcore/zizmor-action@192e21d79ab29983730a13d1382995c2307fbcaa # v0.5.7
+  #     - name: Run zizmor
+  #       uses: zizmorcore/zizmor-action@192e21d79ab29983730a13d1382995c2307fbcaa # v0.5.7
 
-  # One job that "summarizes" the success state of this pipeline. This can then be added to branch
-  # protection, rather than having to add each job separately.
-  success:
-    name: success
-    runs-on: ubuntu-26.04
-    needs:
-      - style_check
-      - test_tier1
-      - test_tier2
-      - test_tier2_vm
-      - verify_build
-      - ctest_msrv
-      - docs
-      - clippy
-      - zizmor
-    # GitHub branch protection is exceedingly silly and treats "jobs skipped because a dependency
-    # failed" as success. So we have to do some contortions to ensure the job fails if any of its
-    # dependencies fails.
-    if: always() # make sure this is never "skipped"
-    env:
-      NEEDS: ${{ toJson(needs) }}
-    steps:
-      # Manually check the status of all dependencies. `if: failure()` does not work.
-      - name: check if any dependency failed
-        run: jq --exit-status 'all(.result == "success")' <<< "$NEEDS"
+  # # One job that "summarizes" the success state of this pipeline. This can then be added to branch
+  # # protection, rather than having to add each job separately.
+  # success:
+  #   name: success
+  #   runs-on: ubuntu-26.04
+  #   needs:
+  #     - style_check
+  #     - test_tier1
+  #     - test_tier2
+  #     - test_tier2_vm
+  #     - verify_build
+  #     - ctest_msrv
+  #     - docs
+  #     - clippy
+  #     - zizmor
+  #   # GitHub branch protection is exceedingly silly and treats "jobs skipped because a dependency
+  #   # failed" as success. So we have to do some contortions to ensure the job fails if any of its
+  #   # dependencies fails.
+  #   if: always() # make sure this is never "skipped"
+  #   env:
+  #     NEEDS: ${{ toJson(needs) }}
+  #   steps:
+  #     # Manually check the status of all dependencies. `if: failure()` does not work.
+  #     - name: check if any dependency failed
+  #       run: jq --exit-status 'all(.result == "success")' <<< "$NEEDS"
diff --git a/libc-test/build.rs b/libc-test/build.rs
index 20f3f750b613..4b83c5f849bd 100644
--- a/libc-test/build.rs
+++ b/libc-test/build.rs
@@ -916,7 +916,7 @@ fn test_windows(target: &str) {
 
     cfg.skip_struct_field(move |s, field| s.ident() == "CONTEXT" && field.ident() == "Fp");
     // FIXME(windows): All functions point to the wrong addresses?
-    cfg.skip_fn_ptrcheck(|_| true);
+    // cfg.skip_fn_ptrcheck(|_| true);
 
     cfg.skip_signededness(move |c| {
         match c {
diff --git a/src/windows/mod.rs b/src/windows/mod.rs
index b156c450ca6b..22413aaa1cec 100644
--- a/src/windows/mod.rs
+++ b/src/windows/mod.rs
@@ -281,6 +281,7 @@ cfg_if! {
     }
 }
 
+#[link(name = "ucrt")]
 extern "C" {
     pub fn isalnum(c: c_int) -> c_int;
     pub fn isalpha(c: c_int) -> c_int;