77 #define _OUT(_field) offsetof(struct nlevent, _field)  macro
79 	{ .type = NLSE_ATTR_SYSTEM, .off = _OUT(name), .cb = snl_attr_get_string },
80 	{ .type = NLSE_ATTR_SUBSYSTEM, .off = _OUT(subsystem), .cb = snl_attr_get_string },
81 	{ .type = NLSE_ATTR_TYPE, .off = _OUT(type), .cb = snl_attr_get_string },
82 	{ .type = NLSE_ATTR_DATA, .off = _OUT(data), .cb = snl_attr_get_string },
84 #undef _OUT
106 #define _OUT(_field)	offsetof(struct genl_ctrl_op, _field)  macro
109 		.off = _OUT(id),
114 		.off = _OUT(flags),
117 #undef _OUT
131 #define	_OUT(_field)	offsetof(struct genl_mcast_group, _field)  macro
134 		.off = _OUT(name),
139 		.off = _OUT(id),
142 #undef _OUT
158 #define	_OUT(_field)	offsetof(struct genl_family, _field)  macro
161 		.off = _OUT(id),
166 		.off = _OUT(name),
171 		.off = _OUT(version),
176 		.off = _OUT(hdrsize),
181 		.off = _OUT(max_attr),
186 		.off = _OUT(ops),
192 		.off = _OUT(mcast_groups),
196 #undef _OUT