---
name: "utoupper"
section: "3alleg"
platform: "linux"
package: "liballegro-doc"
version: "2:4.2.2-2.2"
release: "Debian 6.0 (Squeeze)"
platforms: ["linux"]
url: "https://new.carta.tech/utoupper"
---

# utoupper(3alleg)

Converts a letter to upper case. Allegro game programming library.

## NAME

utoupper - Converts a letter to upper case. Allegro game programming library.

## SYNOPSIS

**#include \<allegro.h\>**

**int utoupper(int c);**

## DESCRIPTION

This function returns \`c', converting it to upper case if it is lower case.

## SEE ALSO

[**utolower**(3alleg)](/utolower/3alleg.md), [**ugetc**(3alleg)](/ugetc/3alleg.md), [**ugetx**(3alleg)](/ugetx/3alleg.md), [**usetc**(3alleg)](/usetc/3alleg.md), [**uwidth**(3alleg)](/uwidth/3alleg.md), [**ucwidth**(3alleg)](/ucwidth/3alleg.md), [**uisok**(3alleg)](/uisok/3alleg.md)