Function sdl2_sys::SDL_SIMDRealloc
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\brief Reallocate memory obtained from SDL_SIMDAlloc
It is not valid to use this function on a pointer from anything but SDL_SIMDAlloc(). It can’t be used on pointers from malloc, realloc, SDL_malloc, memalign, new[], etc.
\param mem The pointer obtained from SDL_SIMDAlloc. This function also accepts NULL, at which point this function is the same as calling SDL_realloc with a NULL pointer. \param len The length, in bytes, of the block to allocated. The actual allocated block might be larger due to padding, etc. Passing 0 will return a non-NULL pointer, assuming the system isn’t out of memory. \return Pointer to newly-reallocated block, NULL if out of memory.
\sa SDL_SIMDAlignment \sa SDL_SIMDAlloc \sa SDL_SIMDFree