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/** * Windows represents Unicode characters using UTF-16 encoding, in which each * character is encoded as a 16-bit value. * UTF-16 characters are called **wide** characters, to distinguish them from * 8-bit ANSI characters. * * Windows providing two parallel sets of APIs, one for ANSI strings and the * other for Unicode strings. For example, there are two functions to displays * a modal dialog box: * * - `MessageBoxA` - takes an ANSI string. * - `MessageBoxW` - takes a Unicode string. * * Javascript already uses UTF-16 internally - use `charCodeAt()`  to get the values. */export function cstr2ptrW(cstr: string) {  const buffer = new ArrayBuffer((cstr.length + 1) * 2);  const u16 = new Uint16Array(buffer);  for (let i = 0; i <= cstr.length; i++) {    u16[i] = cstr.charCodeAt(i);  }  return Deno.UnsafePointer.of(u16);}