_cleanup_dhcp_client_unref_ 72 src/libsystemd-network/dhcp-internal.h _cleanup_dhcp_client_unref_ _unused_ sd_dhcp_client *_dont_destroy_##client = sd_dhcp_client_ref(client) _cleanup_dhcp_client_unref_ 1593 src/libsystemd-network/sd-dhcp-client.c _cleanup_dhcp_client_unref_ sd_dhcp_client *client = NULL;