The memory returned by this function must be freed with SDL_free().
If either of nmemb or size is 0, they will both be set to 1.
\param nmemb the number of elements in the array.
\param size the size of each element of the array.
\returns a pointer to the allocated array, or NULL if allocation failed.
\threadsafety It is safe to call this function from any thread.
\since This function is available since SDL 3.2.0.
Allocate a zero-initialized array.
The memory returned by this function must be freed with SDL_free().
If either of nmemb or size is 0, they will both be set to 1.
\param nmemb the number of elements in the array. \param size the size of each element of the array. \returns a pointer to the allocated array, or NULL if allocation failed.
\threadsafety It is safe to call this function from any thread.
\since This function is available since SDL 3.2.0.
\sa SDL_free \sa SDL_malloc \sa SDL_realloc