Man page - sdl_malloc(3)

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SDL_MALLOC - A macro to tag a function as an allocator.

Defined in SDL3/SDL_begin_code.h

#include "SDL3/SDL.h"

#define SDL_MALLOC __declspec(allocator) __desclspec(restrict)

This is a hint to the compiler that a function is an allocator, like malloc(), with certain rules. A description of how GCC treats this hint is here:

https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-malloc-function-attribute

On compilers without allocator tag support, this is defined to nothing.

Most apps don’t need to, and should not, use this directly.

This macro is available since SDL 3.2.0.