---
name: "NTDLL_iswalpha"
section: "3w"
platform: "linux"
package: "libwine-dev"
version: "1.4.1-4"
release: "Debian 7 (Wheezy)"
platforms: ["linux"]
url: "https://new.carta.tech/NTDLL_iswalpha"
---

# NTDLL\_iswalpha(3w)

## NAME

**NTDLL\_iswalpha** (NTDLL.@)

## SYNOPSIS

INT NTDLL\_iswalpha\
  (\
   WCHAR *wc*\
  )

## DESCRIPTION

Checks if a unicode character *wc* is a letter.

## RETURNS

**TRUE:** The unicode character *wc* is a letter.

**FALSE:** Otherwise

## IMPLEMENTATION

Not declared in a Wine header. The function is either undocumented, or missing from Wine.

Implemented in **"dlls/ntdll/wcstring.c"**.