Function bli_gemm_cntl_create_node 

pub unsafe extern "C" fn bli_gemm_cntl_create_node(
    pool: *mut pool_t,
    family: opid_t,
    bszid: bszid_t,
    var_func: void_fp,
    sub_node: *mut cntl_t,
) -> *mut cntl_t