text: #ifndef __I2C_LIB_H__
  #define __I2C_LIB_H__
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  int i2clib_open(const char *device);
  void i2clib_close(int handle);
  int i2clib_read(int handle, uint8_t dev_addr, char *recv_buf, int32_t recv_size);
  int i2clib_write(int handle, uint8_t dev_addr, const char *send_buf, int32_t send_size);
  int i2clib_writeread(int handle, uint8_t dev_addr, const char *send_buf, int32_t send_size, char *recv_buf, int32_t recv_size);
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* __I2C_LIB_H__ */