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Peifer ","license":"MIT","homepage":"https://github.com/ObscuritySRL/bun-win32#readme","keywords":["bun","ffi","win32","windows","wlanapi","wifi","native-wifi","wifi-direct","bindings","typescript","dll"],"repository":{"type":"git","url":"git://github.com/ObscuritySRL/bun-win32.git","directory":"packages/wlanapi"},"description":"Zero-dependency, zero-overhead Win32 WLANAPI bindings for Bun (FFI) on Windows.","maintainers":[{"name":"obscuritysrl","email":"stev.p@outlook.com"}],"readme":"# @bun-win32/wlanapi\n\nZero-dependency, zero-overhead Win32 Wlanapi bindings for [Bun](https://bun.sh) on Windows.\n\n## Overview\n\n`@bun-win32/wlanapi` exposes the `wlanapi.dll` exports using [Bun](https://bun.sh)'s FFI. It provides a single class, `Wlanapi`, which lazily binds native symbols on first use. You can optionally preload a subset or all symbols up-front via `Preload()`.\n\nThe bindings are strongly typed for a smooth DX in TypeScript.\n\n## Features\n\n- [Bun](https://bun.sh)-first ergonomics on Windows 10/11.\n- Direct FFI to `wlanapi.dll` (Native Wifi, hosted network, and Wi-Fi Direct APIs).\n- In-source docs in `structs/Wlanapi.ts` with links to Microsoft Learn.\n- Lazy binding on first call; optional eager preload (`Wlanapi.Preload()`).\n- No wrapper overhead; calls map 1:1 to native APIs.\n- Strongly-typed Win32 aliases, enums, and constants (see `types/Wlanapi.ts`).\n\n## Requirements\n\n- [Bun](https://bun.sh) runtime\n- Windows 10 or later\n\n## Installation\n\n```sh\nbun add @bun-win32/wlanapi\n```\n\n## Quick Start\n\n```ts\nimport { type Pointer, read, toArrayBuffer } from 'bun:ffi';\n\nimport Wlanapi, { WLAN_API_VERSION_2_0 } from '@bun-win32/wlanapi';\n\nconst negotiatedVersion = Buffer.alloc(4);\nconst clientHandle = Buffer.alloc(8);\n\nconst openStatus = Wlanapi.WlanOpenHandle(WLAN_API_VERSION_2_0, null, negotiatedVersion.ptr, clientHandle.ptr);\n\nif (openStatus !== 0) {\n throw new Error(`WlanOpenHandle failed with status ${openStatus}`);\n}\n\nconst handle = clientHandle.readBigUInt64LE(0);\nconst interfaceList = Buffer.alloc(8);\n\ntry {\n const enumStatus = Wlanapi.WlanEnumInterfaces(handle, null, interfaceList.ptr);\n\n if (enumStatus !== 0) {\n throw new Error(`WlanEnumInterfaces failed with status ${enumStatus}`);\n }\n\n const listPointer = read.ptr(interfaceList.ptr) as Pointer;\n\n if (listPointer) {\n const listHeader = new DataView(toArrayBuffer(listPointer, 0, 8));\n const interfaceCount = listHeader.getUint32(0, true);\n\n console.log(`Wireless interfaces: ${interfaceCount}`);\n\n Wlanapi.WlanFreeMemory(listPointer);\n }\n} finally {\n Wlanapi.WlanCloseHandle(handle, null);\n}\n```\n\n> [!NOTE]\n> AI agents: see `AI.md` for the package binding contract and source-navigation guidance. It explains how to use the package without scanning the entire implementation.\n\n## Examples\n\nRun the included example:\n\n```sh\nbun run example\n```\n\n## Notes\n\n- Either rely on lazy binding or call `Wlanapi.Preload()`.\n- Windows only. Bun runtime required.\n- **SAL types & naming:** nullability is in the **type** — `Optional` (formally optional, SAL `_*opt_`) and `Nullable` (plain `[in]`/`[out]` the docs say can be NULL), the null sentinel derived from `T` (`null` for pointers `LP*`/`P*`, `0n` for handles/by-value addresses); direction is in the **parameter name** — `_out` (`_Out_`), `_in_out` (`_Inout_`), `_In_` bare. See `AI.md` and the repo `AGENTS.md`.\n","readmeFilename":"README.md"}