sirocco https://blog.hatena.ne.jp/sirocco/ sirocco の書いてもすぐに忘れるメモ https://sirocco.hatenadiary.org/ Haskell C Haskell からは C の関数が呼べます。 {-# OPTIONS -fglasgow-exts #-} import Foreign import Foreign.C.String import Foreign.C.Types import System.IO.Unsafe (unsafePerformIO) foreign import ccall "math.h sin" c_sin :: Double -> Double foreign import ccall "string.h strlen" c_strlen :: CString -> CUInt -- 同じ printf … 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsirocco.hatenadiary.org%2Fentry%2F20100603%2F1275548880" title="FFI を学ぶ(1) :初めての Foreign Function Interface (FFI) - sirocco の書いてもすぐに忘れるメモ" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2010-06-03 16:08:00 rich https://sirocco.hatenadiary.org/entry/20100603/1275548880 1.0 100%