{"id":59334,"library":"jni-sys","title":"JNI Sys","description":"Rust FFI definitions corresponding to the Java Native Interface header jni.h.","status":"active","version":"0.4.1","language":"rust","source_language":null,"source_url":"https://github.com/jni-rs/jni-sys","tags":["jni","ffi","java","bindings"],"install":[{"cmd":"# Cargo.toml\n[dependencies]\njni-sys = \"0.4.1\"","lang":"toml","label":"Cargo.toml"},{"cmd":"cargo add jni-sys","lang":"bash","label":"cargo add"}],"dependencies":[],"imports":[{"symbol":"JNIEnv","correct":"use jni_sys::JNIEnv;"}],"quickstart":{"code":"use jni_sys::JNIEnv;\n\nfn main() {\n    // JNIEnv is a raw pointer type; typically used via the jni crate.\n    let _env: *mut JNIEnv = std::ptr::null_mut();\n}","lang":"rust","description":"Declare a null JNIEnv pointer using the raw FFI type."},"warnings":[{"fix":"Use the `jni` crate for safe, idiomatic JNI access.","message":"This crate provides only raw FFI bindings; you likely want the higher-level `jni` crate instead.","severity":"gotcha","affected_versions":"*"}],"env_vars":null,"search_vec":"'bind':17 'correspond':6 'definit':5 'ffi':4,15 'header':12 'interfac':11 'java':9,16 'jni':1,14 'jni.h':13 'nativ':10 'rust':3 'sys':2","created_at":"2026-06-16T16:59:35.076230+00:00","updated_at":"2026-06-16T16:59:35.076230+00:00","problems":[],"ecosystem":"crates","meta_description":null,"install_score":null,"quickstart_score":null,"quickstart_tag":null,"pypi_latest":null,"cli_name":null,"cli_version":null,"type":"library","homepage":"https://github.com/jni-rs/jni-sys","github":"https://github.com/jni-rs/jni-sys","docs":"https://docs.rs/jni-sys/","changelog":null,"pypi":null,"npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"categories":["other"],"base_url":null,"auth_type":null,"provenance":{"verified_status":null,"verified_at":null,"last_verified":"2026-06-16","next_check":"2026-12-13","install_tag":null}}