rk_test_mem_alloc
buf = rk_test_mem_alloc(RK_TM_OVERRUN, "overrun",
buf = rk_test_mem_alloc(RK_TM_UNDERRUN, "underrun",
buf = rk_test_mem_alloc(RK_TM_OVERRUN, "overrun",
buf = rk_test_mem_alloc(RK_TM_UNDERRUN, "underrun",
rk_test_mem_alloc(enum rk_test_mem_type, const char *, void *, size_t);