mesh_copy_client_info
mstate->s.client_info = mesh_copy_client_info(region, cinfo);
struct respip_client_info* mesh_copy_client_info(struct regional* region,
mstate->s.client_info = mesh_copy_client_info(region, cinfo);
struct respip_client_info* mesh_copy_client_info(struct regional* region,
c2 = mesh_copy_client_info(r2, c1);
c3 = mesh_copy_client_info(r3, c2);