OSMallocAllocates a block of memory associated with a given
OSMallocTag .OSMalloc_Tagalloc Creates a tag for use with OSMalloc functions.
OSMalloc_Tagfree Frees a tag used with OSMalloc functions.
OSMalloc_noblock Allocates a block of memory associated with a given
OSMallocTag , returning NULL if it would block.OSMalloc_nowait Equivalent to
OSMalloc_noblock .