---
name: "SDL_memcpy"
section: "3"
platform: "linux"
package: "libsdl3-doc"
version: "3.2.10+ds-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/SDL_memcpy"
---

# SDL\_memcpy(3)

Copy non-overlapping memory.

## NAME

SDL\_memcpy - Copy non-overlapping memory.

## HEADER FILE

Defined in SDL3/SDL\_stdinc.h

## SYNOPSIS

```
#include "SDL3/SDL.h"
```

**void \* SDL\_memcpy(void \*dst, const void \*src, size\_t len);**

## DESCRIPTION

The memory regions must not overlap. If they do, use

**SDL\_memmove** () instead.

## FUNCTION PARAMETERS

- *dst*

  The destination memory region. Must not be NULL, and must not overlap with **src** .

- *src*

  The source memory region. Must not be NULL, and must not overlap with **dst** .

- *len*

  The length in bytes of both **dst** and **src** .

## RETURN VALUE

Returns **dst** .

## THREAD SAFETY

It is safe to call this function from any thread.

## AVAILABILITY

This function is available since SDL 3.2.0.

## SEE ALSO

**•**(3), [**SDL\_memmove**(3)](/SDL_memmove/3.md)