---
name: "IsValidInterface16"
section: "3w"
platform: "linux"
package: "libwine-dev"
version: "1.4.1-4"
release: "Debian 7 (Wheezy)"
platforms: ["linux"]
url: "https://new.carta.tech/IsValidInterface16"
---

# IsValidInterface16(3w)

## NAME

**IsValidInterface16** (COMPOBJ.23)

## SYNOPSIS

BOOL IsValidInterface16\
  (\
   SEGPTR *punk*\
  )

## DESCRIPTION

Determines whether a pointer is a valid interface.

## PARAMS

*punk* **\[In\]**  Interface to be tested.

## RETURNS

**TRUE**, if the passed pointer is a valid interface, or **FALSE** otherwise.

## IMPLEMENTATION

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

Implemented in **"dlls/compobj.dll16/compobj.c"**.

Debug channel **"ole"**.