###### (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_BlitSurfaceUnchecked

Perform low-level surface blitting only.

## Header File

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

## Syntax

```c
int SDL_BlitSurfaceUnchecked(SDL_Surface *src, const SDL_Rect *srcrect, SDL_Surface *dst, const SDL_Rect *dstrect);

```

## Function Parameters

|                 |                                                                                                                |
| --------------- | -------------------------------------------------------------------------------------------------------------- |
| **src**         | the [SDL_Surface](SDL_Surface) structure to be copied from                                                     |
| **srcrect**     | the [SDL_Rect](SDL_Rect) structure representing the rectangle to be copied, or NULL to copy the entire surface |
| **dst**         | the [SDL_Surface](SDL_Surface) structure that is the blit target                                               |
| **dstrect**     | the [SDL_Rect](SDL_Rect) structure representing the target rectangle in the destination surface                |

## Return Value

Returns 0 on success or a negative error code on failure; call
[SDL_GetError](SDL_GetError)() for more information.

## Remarks

This is a semi-private blit function and it performs low-level surface
blitting, assuming the input rectangles have already been clipped.

## Version

This function is available since SDL 3.0.0.

## See Also

* [SDL_BlitSurface](SDL_BlitSurface)

----
[CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction)