---
description: "Learn more about: fmod Function"
title: "fmod Function"
ms.date: "11/04/2016"
helpviewer_keywords: ["fmod function"]
ms.assetid: ffb3d9b9-b6e4-45e2-aadb-af60c3ff54f6
---
# fmod Function

**ANSI 4.5.6.4** Whether a domain error occurs or zero is returned when the `fmod` function has a second argument of zero

When the `fmod` function has a second argument of zero, the function returns zero.

## See also

[Library Functions](../c-language/library-functions.md)