aes_alloc_keysched
extern void *aes_alloc_keysched(size_t *size, int kmflag);
ks = aes_alloc_keysched(&size, 0);
obj_ks = aes_alloc_keysched(&size, 0);
if ((keysched = aes_alloc_keysched(&size,
if ((keysched = aes_alloc_keysched(&size, kmflag)) == NULL)