text: #ifndef __WCLT_H__
  #define __WCLT_H__
  
  typedef int wclt_t;
  
  enum WCLT_RETURN_VALUE
  {
  	WCLT_NO_ERROR = 0,
  	WCLT_CONTROL_FAILED = -1,
  	WCLT_CONNECT_FAILED = -2,
  	WCLT_SYS_FAILED = -3,
  	WCLT_INSUFFICIENT_BUF = -4,
  	WCLT_INVALID_ARG = -5
  };
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  int wclt_connect(wclt_t* wcltPtr, const char* serverIP, int serverPort);
  int wclt_control(wclt_t wclt, int leftSpeed, int rightSpeed);
  int wclt_get_speed(wclt_t wclt, int* leftSpeedPtr, int* rightSpeedPtr);
  int wclt_lock(wclt_t wclt);
  int wclt_unlock(wclt_t wclt);
  void wclt_disconnect(wclt_t wclt);
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif
  