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class="detail-header -is-loose"><div class="detail-container"><div class="detail-header-outer-block"><div class="detail-header-content-block"><h1 class="title pub-monochrome-icon-hoverable">ffi 2.1.4 <span class="pkg-page-title-copy"><img class="pub-monochrome-icon pkg-page-title-copy-icon filter-invert-on-dark" src="/static/hash-j60jq2j3/img/content-copy-icon.svg" alt="copy "ffi: ^2.1.4" to clipboard" width="18" height="18" title="Copy "ffi: ^2.1.4" to clipboard" data-copy-content="ffi: ^2.1.4" data-ga-click-event="copy-package-version"/><div class="pkg-page-title-copy-feedback"><span class="code">ffi: ^2.1.4</span> copied to clipboard</div></span></h1><div class="metadata">Published <span><a class="-x-ago" href="" title="Feb 17, 2025" role="button" data-timestamp="1739787644331">53 days ago</a></span> • <a class="-pub-publisher" href="/publishers/dart.dev"><img class="-pub-publisher-shield filter-invert-on-dark" src="/static/hash-j60jq2j3/img/material-icon-verified.svg" alt="verified 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class="detail-metadata-toggle"><div class="detail-metadata-toggle-icon">→</div><h3 class="detail-lead-title">Metadata</h3></div><p class="detail-lead-text">Utilities for working with Foreign Function Interface (FFI) code.</p><p class="detail-lead-more"><a class="detail-metadata-toggle">More...</a></p></div></div><div class="detail-body"><div class="detail-tabs"><div class="detail-tabs-wide-header"><div class="detail-container"><ul class="detail-tabs-header"><li class="detail-tab tab-link detail-tab-readme-title"><a href="/packages/ffi" role="button">Readme</a></li><li class="detail-tab tab-link detail-tab-changelog-title"><a href="/packages/ffi/changelog" role="button">Changelog</a></li><li class="detail-tab tab-link detail-tab-example-title"><a href="/packages/ffi/example" role="button">Example</a></li><li class="detail-tab tab-link detail-tab-installing-title"><a href="/packages/ffi/install" role="button">Installing</a></li><li class="detail-tab tab-button detail-tab-license-title 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Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of Google LLC nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. </pre></div></section></div></div></div><aside class="detail-info-box"><a class="packages-scores" href="/packages/ffi/score"><div class="packages-score packages-score-like"><div class="packages-score-value -has-value"><span class="packages-score-value-number">309</span><span class="packages-score-value-sign"></span></div><div class="packages-score-label">likes</div></div><div class="packages-score packages-score-health"><div class="packages-score-value -has-value"><span class="packages-score-value-number">160</span><span class="packages-score-value-sign"></span></div><div class="packages-score-label">points</div></div><div class="packages-score packages-score-downloads" title="Number of downloads of this package during the past 30 days"><div class="packages-score-value -has-value"><span class="packages-score-value-number">7.36M</span><span class="packages-score-value-sign"></span></div><div class="packages-score-label">downloads</div></div></a><h3 class="title">Publisher</h3><p><a href="/publishers/dart.dev"><img class="-pub-publisher-shield filter-invert-on-dark" src="/static/hash-j60jq2j3/img/material-icon-verified.svg" alt="verified publisher" width="14" height="14" title="Published by a pub.dev verified publisher"/>dart.dev</a></p><h3 class="title">Weekly Downloads</h3><div id="-weekly-downloads-sparkline" class="weekly-downloads-sparkline" data-widget="weekly-sparkline" data-weekly-sparkline-points="gLj1Z4DQGgC2SxoA4wgZAM57GABWxBkAOsUbAD83GQD3+RcApg0WAAIWGACDohUA5nQVAMZiFQD7LBIABLsKAMWUEAC/chgAYLEZAGBdFwCmhRcATNYWAJCKFwBKvBYATGoYAKWpGQAk3xYAYRgWAJHWFgDPhBUAt5cTAEaEFgC7mRQAUG8VACz7FADmPhIAnk4PAC2EDwCFQg8APfYOAKieDgBt2BAACX0RACl+EAB6jhAAy8sPAG0jEQAZlxEAsz8QAJ4PDwANUBAAOJITAFsoEQA="></div><h3 class="title pkg-infobox-metadata">Metadata</h3><p>Utilities for working with Foreign Function Interface (FFI) code.</p><p><a class="link" href="https://github.com/dart-lang/native/tree/main/pkgs/ffi" rel="ugc">Repository (GitHub)</a><br/><a class="link" href="https://github.com/dart-lang/native/issues?q=is%3Aissue+is%3Aopen+label%3Apackage%3Affi" rel="ugc">View/report issues</a><br/><a class="link" href="https://github.com/dart-lang/native/blob/main/CONTRIBUTING.md" rel="ugc">Contributing</a><br/></p><h3 class="title">Topics</h3><p><a class="topics-tag" href="/packages?q=topic%3Ainterop" rel="nofollow">#interop</a> <a class="topics-tag" href="/packages?q=topic%3Affi" rel="nofollow">#ffi</a> <a class="topics-tag" href="/packages?q=topic%3Acodegen" rel="nofollow">#codegen</a></p><h3 class="title">Documentation</h3><p><a class="link" href="/documentation/ffi/latest/">API reference</a><br/></p><h3 class="title">License</h3><p><img class="inline-icon-img filter-invert-on-dark" src="/static/hash-j60jq2j3/img/material-icon-balance.svg" alt="" width="14" height="14" role="presentation"/>BSD-3-Clause (<a href="/packages/ffi/license">license</a>)</p><h3 class="title">More</h3><p><a href="/packages?q=dependency%3Affi" rel="nofollow">Packages that depend on ffi</a></p></aside></div><script type="application/ld+json">{"@context":"http\u003a\u002f\u002fschema.org","@type":"SoftwareSourceCode","name":"ffi","version":"2.1.4","description":"ffi - Utilities for working with Foreign Function Interface \u0028FFI\u0029 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class="packages-score-value-number">160</span><span class="packages-score-value-sign"></span></div><div class="packages-score-label">points</div></div><div class="packages-score packages-score-downloads" title="Number of downloads of this package during the past 30 days"><div class="packages-score-value -has-value"><span class="packages-score-value-number">7.36M</span><span class="packages-score-value-sign"></span></div><div class="packages-score-label">downloads</div></div></a><h3 class="title">Publisher</h3><p><a href="/publishers/dart.dev"><img class="-pub-publisher-shield filter-invert-on-dark" src="/static/hash-j60jq2j3/img/material-icon-verified.svg" alt="verified publisher" width="14" height="14" title="Published by a pub.dev verified publisher"/>dart.dev</a></p><h3 class="title">Weekly Downloads</h3><div id="-weekly-downloads-sparkline" class="weekly-downloads-sparkline" data-widget="weekly-sparkline" data-weekly-sparkline-points="gLj1Z4DQGgC2SxoA4wgZAM57GABWxBkAOsUbAD83GQD3+RcApg0WAAIWGACDohUA5nQVAMZiFQD7LBIABLsKAMWUEAC/chgAYLEZAGBdFwCmhRcATNYWAJCKFwBKvBYATGoYAKWpGQAk3xYAYRgWAJHWFgDPhBUAt5cTAEaEFgC7mRQAUG8VACz7FADmPhIAnk4PAC2EDwCFQg8APfYOAKieDgBt2BAACX0RACl+EAB6jhAAy8sPAG0jEQAZlxEAsz8QAJ4PDwANUBAAOJITAFsoEQA="></div><h3 class="title pkg-infobox-metadata">Metadata</h3><p>Utilities for working with Foreign Function Interface (FFI) code.</p><p><a class="link" href="https://github.com/dart-lang/native/tree/main/pkgs/ffi" rel="ugc">Repository (GitHub)</a><br/><a class="link" href="https://github.com/dart-lang/native/issues?q=is%3Aissue+is%3Aopen+label%3Apackage%3Affi" rel="ugc">View/report issues</a><br/><a class="link" href="https://github.com/dart-lang/native/blob/main/CONTRIBUTING.md" rel="ugc">Contributing</a><br/></p><h3 class="title">Topics</h3><p><a class="topics-tag" href="/packages?q=topic%3Ainterop" rel="nofollow">#interop</a> <a class="topics-tag" 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