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

# RegOpenKeyA(3w)

## NAME

**RegOpenKeyA** (ADVAPI32.@)

## SYNOPSIS

LSTATUS RegOpenKeyA\
  (\
   HKEY   *hkey*,\
   LPCSTR *name*,\
   PHKEY  *retkey*\
  )

## DESCRIPTION

Open a registry key.

## PARAMS

*hkey* **\[In\]**  Handle of parent key to open the new key under.

*name* **\[In\]**  Name of the key under *hkey* to open.

*retkey* **\[Out\]**  Destination for the resulting Handle.

## RETURNS

**Success:** **ERROR\_SUCCESS**

**Failure:** A standard Win32 error code. When *retkey* is valid, \**retkey* is set to **0.**

## IMPLEMENTATION

Declared in **"winreg.h"**.

Implemented in **"dlls/advapi32/registry.c"**.

Debug channel **"reg"**.