libscsi_zalloc
extern void *libscsi_zalloc(libscsi_hdl_t *, size_t);
eip = libscsi_zalloc(hp, sizeof (libscsi_engine_impl_t));
if ((tp = libscsi_zalloc(hp, sizeof (libscsi_target_t))) == NULL)
if ((aip = libscsi_zalloc(hp, sz)) == NULL)
if ((dp = libscsi_zalloc(hp, sizeof (struct uscsi_dev))) == NULL)