---
name: "libpngpf"
section: "3"
platform: "linux"
package: "libpng"
version: "1.6.59-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux", "macos"]
url: "https://new.carta.tech/libpngpf"
---

# libpngpf(3)

Portable Network Graphics (PNG) Reference Library 1.6.59

## NAME

libpng - Portable Network Graphics (PNG) Reference Library 1.6.59

## SYNOPSIS

**#include "pngpriv.h"**

## DESCRIPTION

As of libpng version 1.5.1, this manual is no longer maintained.  The private function prototypes, declared in private header files, should not be accessed by applications.

## SEE ALSO

[**libpng**(3)](/libpng/3.md)

## AUTHORS

Cosmin Truta, Glenn Randers-Pehrson