struct frame_t{	char header[5];	int nbframe;	double seqtimes;	int deltatimes;	int w;	int h;	int size;	int format;	unsigned short bright;	unsigned short contrast;	unsigned short colors;	unsigned short exposure;	unsigned char wakeup;	int acknowledge;	} __attribute__ ((packed));  struct client_t{	char message[4];	unsigned char x;	unsigned char y;	unsigned char fps;	unsigned char updobright;	unsigned char updocontrast;	unsigned char updocolors;	unsigned char updoexposure;	unsigned char updosize;	unsigned char sleepon;	} __attribute__ ((packed));