#include <sys/types.h> #define RENDER_PORT 6159 #define RENDER_PORT_NAME "6159" #pragma pack(push) #pragma pack(1) struct render_cmd { u_int8_t mode; u_int32_t img_w; u_int32_t img_h; double x1; double y1; double x2; double y2; }; #pragma pack(pop)