(This is the documentation for SDL3, which is the current stable version. SDL2 was the previous version!)

SDL_zero

Clear an object's memory to zero.

Header File

Defined in <SDL3/SDL_stdinc.h>

Syntax

#define SDL_zero(x) SDL_memset(&(x), 0, sizeof((x)))

Macro Parameters

x	the object to clear.

Remarks

This is wrapper over SDL_memset that handles calculating the object size, so there's no chance of copy/paste errors, and the code is cleaner.

This requires an object, not a pointer to an object, nor an array.

Thread Safety

It is safe to call this macro from any thread.

Version

This macro is available since SDL 3.1.3.

See Also

• SDL_zerop
• SDL_zeroa

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CategoryAPI, CategoryAPIMacro, CategoryStdinc

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