File content as of revision 4:684f39d0c346:

#ifndef _ROS_std_msgs_Duration_h
#define _ROS_std_msgs_Duration_h

#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include "ros/msg.h"
#include "ros/duration.h"

namespace std_msgs
{

  class Duration : public ros::Msg
  {
    public:
      ros::Duration data;

    virtual int serialize(unsigned char *outbuffer) const
    {
      int offset = 0;
      *(outbuffer + offset + 0) = (this->data.sec >> (8 * 0)) & 0xFF;
      *(outbuffer + offset + 1) = (this->data.sec >> (8 * 1)) & 0xFF;
      *(outbuffer + offset + 2) = (this->data.sec >> (8 * 2)) & 0xFF;
      *(outbuffer + offset + 3) = (this->data.sec >> (8 * 3)) & 0xFF;
      offset += sizeof(this->data.sec);
      *(outbuffer + offset + 0) = (this->data.nsec >> (8 * 0)) & 0xFF;
      *(outbuffer + offset + 1) = (this->data.nsec >> (8 * 1)) & 0xFF;
      *(outbuffer + offset + 2) = (this->data.nsec >> (8 * 2)) & 0xFF;
      *(outbuffer + offset + 3) = (this->data.nsec >> (8 * 3)) & 0xFF;
      offset += sizeof(this->data.nsec);
      return offset;
    }

    virtual int deserialize(unsigned char *inbuffer)
    {
      int offset = 0;
      this->data.sec |= ((uint32_t) (*(inbuffer + offset + 0))) << (8 * 0);
      this->data.sec |= ((uint32_t) (*(inbuffer + offset + 1))) << (8 * 1);
      this->data.sec |= ((uint32_t) (*(inbuffer + offset + 2))) << (8 * 2);
      this->data.sec |= ((uint32_t) (*(inbuffer + offset + 3))) << (8 * 3);
      offset += sizeof(this->data.sec);
      this->data.nsec |= ((uint32_t) (*(inbuffer + offset + 0))) << (8 * 0);
      this->data.nsec |= ((uint32_t) (*(inbuffer + offset + 1))) << (8 * 1);
      this->data.nsec |= ((uint32_t) (*(inbuffer + offset + 2))) << (8 * 2);
      this->data.nsec |= ((uint32_t) (*(inbuffer + offset + 3))) << (8 * 3);
      offset += sizeof(this->data.nsec);
     return offset;
    }

    virtual const char * getType(){ return "std_msgs/Duration"; };
    virtual const char * getMD5(){ return "3e286caf4241d664e55f3ad380e2ae46"; };

  };

}
#endif