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

# GetNumberOfInterfaces(3w)

## NAME

**GetNumberOfInterfaces** (IPHLPAPI.@)

## SYNOPSIS

DWORD GetNumberOfInterfaces\
  (\
   PDWORD *pdwNumIf*\
  )

## DESCRIPTION

Get the number of interfaces.

## PARAMS

*pdwNumIf* **\[Out\]**  number of interfaces.

## RETURNS

**NO\_ERROR** on success, **ERROR\_INVALID\_PARAMETER** if *pdwNumIf* is **NULL**.

## IMPLEMENTATION

Declared in **"iphlpapi.h"**.

Implemented in **"dlls/iphlpapi/iphlpapi\_main.c"**.

Debug channel **"iphlpapi"**.