###### (This is the documentation for SDL3, which is under heavy development and the API is changing! [SDL2](https://wiki.libsdl.org/SDL2/) is the current stable version!)
# SDL_DelayNS

Wait a specified number of nanoseconds before returning.

## Header File

Defined in [<SDL3/SDL_timer.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_timer.h)

## Syntax

```c
void SDL_DelayNS(Uint64 ns);
```

## Function Parameters

|        |        |                                     |
| ------ | ------ | ----------------------------------- |
| Uint64 | **ns** | the number of nanoseconds to delay. |

## Remarks

This function waits a specified number of nanoseconds before returning. It
will attempt to wait as close to the requested time as possible, busy
waiting if necessary, but could return later due to OS scheduling.

## Version

This function is available since SDL 3.0.0.

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[CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryTimer](CategoryTimer)