SVCCTL_WNSTRLEN
offset -= SVCCTL_WNSTRLEN(node_name);
offset -= SVCCTL_WNSTRLEN(node_name);
bytes_needed = SVCCTL_WNSTRLEN(desc);
offset += SVCCTL_WNSTRLEN(desc);
bytes_needed += SVCCTL_WNSTRLEN((const char *)cfg->binary_pathname);
bytes_needed += SVCCTL_WNSTRLEN((const char *)cfg->loadorder_group);
bytes_needed += SVCCTL_WNSTRLEN((const char *)cfg->dependencies);
bytes_needed += SVCCTL_WNSTRLEN((const char *)cfg->service_startname);
bytes_needed += SVCCTL_WNSTRLEN(svc->sn_fmri);