Change name of Robot struct to include in C++

include/roboeasy.h

@@ -1,8 +1,8 @@
 #pragma once
 
 // Handle for the high level robot interface
-struct Robot;
-typedef struct Robot* Robot;
+struct RobotImp;
+typedef struct RobotImp* Robot;
 
 /*
  * Return a handle to the high level robot interface, or NULL on error.

src/robo.c

@@ -5,7 +5,7 @@
 #include <string.h>
 #include <stdlib.h>
 
-struct Robot {
+struct RobotImp {
 
     struct Client* client;
     uint16_t seq;
@@ -249,8 +249,8 @@ robot_work(Robot robot) {
 }
 
 Robot robot_new() {
-    struct Robot* robot = malloc(sizeof(struct Robot));
-    memset(robot, 0, sizeof(struct Robot));
+    struct RobotImp* robot = malloc(sizeof(struct RobotImp));
+    memset(robot, 0, sizeof(struct RobotImp));
     return robot;
 }