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

# UnmapViewOfFile(3w)

## NAME

**UnmapViewOfFile** (KERNEL32.@)

## SYNOPSIS

BOOL UnmapViewOfFile\
  (\
   LPCVOID *addr*\
  )

## DESCRIPTION

Unmaps a mapped view of a file.

## PARAMS

*addr* **\[In\]**  Address where mapped view begins.

## RETURNS

**Success:** **TRUE**.

**Failure:** **FALSE**.

## IMPLEMENTATION

Declared in **"winbase.h"**.

Implemented in **"dlls/kernel32/virtual.c"**.