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(This is the documentation for SDL3, which is under heavy development and the API is changing! SDL2 is the current stable version!)


Determine whether two rectangles are equal.

Header File

Defined in <SDL3/SDL_rect.h>


SDL_FORCE_INLINE SDL_bool SDL_RectsEqual(const SDL_Rect *a, const SDL_Rect *b);

Function Parameters

const SDL_Rect * a the first rectangle to test.
const SDL_Rect * b the second rectangle to test.

Return Value

(SDL_bool) Returns SDL_TRUE if the rectangles are equal, SDL_FALSE otherwise.


Rectangles are considered equal if both are not NULL and each of their x, y, width and height match.

Note that this is a forced-inline function in a header, and not a public API function available in the SDL library (which is to say, the code is embedded in the calling program and the linker and dynamic loader will not be able to find this function inside SDL itself).

Thread Safety

It is safe to call this function from any thread.


This function is available since SDL 3.0.0.

CategoryAPI, CategoryAPIFunction, CategoryRect

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