The t6alloc_blk(3NSL) routine creates a security attribute structure with enough space allocated for the security attributes specified in new_attrs. The t6free_blk(3NSL) routine frees the space allocated for the security attribute structure t6ctl.
t6attr_t t6alloc_blk(t6mask_t mask); void t6free_blk(t6attr_t t6ctl);