fs: make parameters optional for readSync

This makes the offset, length and position parameters optional by
passing in an options object.

PR-URL: https://github.com/nodejs/node/pull/32460
Reviewed-By: Anna Henningsen <anna@addaleax.net>

doc/api/fs.md

@@ -3069,6 +3069,32 @@ Returns the number of `bytesRead`.
 For detailed information, see the documentation of the asynchronous version of
 this API: [`fs.read()`][].
 
+## `fs.readSync(fd, buffer, [options])`
+<!-- YAML
+added: REPLACEME
+changes:
+  - version: REPLACEME
+    pr-url: https://github.com/nodejs/node/pull/32460
+    description: Options object can be passed in
+                 to make offset, length and position optional
+-->
+
+* `fd` {integer}
+* `buffer` {Buffer|TypedArray|DataView}
+* `options` {Object}
+  * `offset` {integer} **Default:** `0`
+  * `length` {integer} **Default:** `buffer.length`
+  * `position` {integer} **Default:** `null`
+* Returns: {number}
+
+Returns the number of `bytesRead`.
+
+Similar to the above `fs.readSync` function, this version takes an optional `options` object.
+If no `options` object is specified, it will default with the above values.
+
+For detailed information, see the documentation of the asynchronous version of
+this API: [`fs.read()`][].
+
 ## `fs.readv(fd, buffers[, position], callback)`
 <!-- YAML
 added: REPLACEME