---
name: "_ustrdup"
section: "3alleg4"
platform: "linux"
package: "allegro4-doc"
version: "2:4.4.3.1-5"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/_ustrdup/3alleg4"
---

# \_ustrdup(3alleg4)

Duplicates a string with a custom memory allocator. Allegro game programming library.

## NAME

\_ustrdup - Duplicates a string with a custom memory allocator. Allegro game programming library.

## SYNOPSIS

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

**char \*\_ustrdup(const char \*src, void\* (\*malloc\_func)(size\_t))**

## DESCRIPTION

Does the same as ustrdup(), but allows the user to specify a custom memory allocator function.

## SEE ALSO

**ustrdup**(3alleg4), **uconvert**(3alleg4), **ustrsize**(3alleg4), **ustrsizez**(3alleg4)