#define G_NETWORK_OUTPUT_STREAM(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_NETWORK_OUTPUT_STREAM, GNetworkOutputStream))
#define G_NETWORK_OUTPUT_STREAM_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), G_TYPE_NETWORK_OUTPUT_STREAM, GNetworkOutputStreamClass))
#define G_IS_NETWORK_OUTPUT_STREAM(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_NETWORK_OUTPUT_STREAM))
#define G_NETWORK_OUTPUT_STREAM(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_NETWORK_OUTPUT_STREAM, GNetworkOutputStream))
#define G_NETWORK_OUTPUT_STREAM_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), G_TYPE_NETWORK_OUTPUT_STREAM, GNetworkOutputStreamClass))
#define G_IS_NETWORK_OUTPUT_STREAM(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_NETWORK_OUTPUT_STREAM))