{"id":59545,"library":"rlibc","title":"Rlibc","description":"A bare-metal library supplying libc functions like memcpy, memmove, memset, and memcmp for freestanding environments.","status":"active","version":"1.0.0","language":"rust","source_language":null,"source_url":"https://github.com/rust-lang/rlibc","tags":["bare-metal","libc","memory","no-std"],"install":[{"cmd":"# Cargo.toml\n[dependencies]\nrlibc = \"1.0.0\"","lang":"toml","label":"Cargo.toml"},{"cmd":"cargo add rlibc","lang":"bash","label":"cargo add"}],"dependencies":[],"imports":[{"symbol":"memcpy","correct":"use rlibc::memcpy;"}],"quickstart":{"code":"use rlibc::memcpy;\n\nfn main() {\n    let src = [1u8, 2, 3];\n    let mut dst = [0u8; 3];\n    unsafe { memcpy(dst.as_mut_ptr(), src.as_ptr(), 3); }\n    println!(\"Copied: {:?}\", dst);\n}","lang":"rust","description":"Copies memory from source to destination using memcpy."},"warnings":[{"fix":"Ensure pointers are valid and non-overlapping.","message":"Requires unsafe code; incorrect usage can cause undefined behavior.","severity":"gotcha","affected_versions":">=1.0.0"}],"env_vars":null,"search_vec":"'bare':4,20 'bare-met':3,19 'environ':18 'freestand':17 'function':9 'libc':8,22 'librari':6 'like':10 'memcmp':15 'memcpi':11 'memmov':12 'memori':23 'memset':13 'metal':5,21 'no-std':24 'rlibc':1 'std':26 'suppli':7","created_at":"2026-06-16T17:07:54.225764+00:00","updated_at":"2026-06-16T17:07:54.225764+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/rust-lang/rlibc","github":"https://github.com/rust-lang/rlibc","docs":"https://docs.rs/rlibc/","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}}