This file is indexed.

/usr/include/sensor_msgs/Image.h is in libsensor-msgs-dev 1.12.3-5.

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The actual contents of the file can be viewed below.

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// Generated by gencpp from file sensor_msgs/Image.msg
// DO NOT EDIT!


#ifndef SENSOR_MSGS_MESSAGE_IMAGE_H
#define SENSOR_MSGS_MESSAGE_IMAGE_H


#include <string>
#include <vector>
#include <map>

#include <ros/types.h>
#include <ros/serialization.h>
#include <ros/builtin_message_traits.h>
#include <ros/message_operations.h>

#include <std_msgs/Header.h>

namespace sensor_msgs
{
template <class ContainerAllocator>
struct Image_
{
  typedef Image_<ContainerAllocator> Type;

  Image_()
    : header()
    , height(0)
    , width(0)
    , encoding()
    , is_bigendian(0)
    , step(0)
    , data()  {
    }
  Image_(const ContainerAllocator& _alloc)
    : header(_alloc)
    , height(0)
    , width(0)
    , encoding(_alloc)
    , is_bigendian(0)
    , step(0)
    , data(_alloc)  {
    }



   typedef  ::std_msgs::Header_<ContainerAllocator>  _header_type;
  _header_type header;

   typedef uint32_t _height_type;
  _height_type height;

   typedef uint32_t _width_type;
  _width_type width;

   typedef std::basic_string<char, std::char_traits<char>, typename ContainerAllocator::template rebind<char>::other >  _encoding_type;
  _encoding_type encoding;

   typedef uint8_t _is_bigendian_type;
  _is_bigendian_type is_bigendian;

   typedef uint32_t _step_type;
  _step_type step;

   typedef std::vector<uint8_t, typename ContainerAllocator::template rebind<uint8_t>::other >  _data_type;
  _data_type data;




  typedef boost::shared_ptr< ::sensor_msgs::Image_<ContainerAllocator> > Ptr;
  typedef boost::shared_ptr< ::sensor_msgs::Image_<ContainerAllocator> const> ConstPtr;

}; // struct Image_

typedef ::sensor_msgs::Image_<std::allocator<void> > Image;

typedef boost::shared_ptr< ::sensor_msgs::Image > ImagePtr;
typedef boost::shared_ptr< ::sensor_msgs::Image const> ImageConstPtr;

// constants requiring out of line definition



template<typename ContainerAllocator>
std::ostream& operator<<(std::ostream& s, const ::sensor_msgs::Image_<ContainerAllocator> & v)
{
ros::message_operations::Printer< ::sensor_msgs::Image_<ContainerAllocator> >::stream(s, "", v);
return s;
}

} // namespace sensor_msgs

namespace ros
{
namespace message_traits
{



// BOOLTRAITS {'IsFixedSize': False, 'IsMessage': True, 'HasHeader': True}
// {'std_msgs': ['/usr/share/std_msgs/cmake/../msg'], 'geometry_msgs': ['/build/ros-common-msgs-b5ydaM/ros-common-msgs-1.12.3/geometry_msgs/msg'], 'sensor_msgs': ['/build/ros-common-msgs-b5ydaM/ros-common-msgs-1.12.3/sensor_msgs/msg']}

// !!!!!!!!!!! ['__class__', '__delattr__', '__dict__', '__doc__', '__eq__', '__format__', '__getattribute__', '__hash__', '__init__', '__module__', '__ne__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__', '__weakref__', '_parsed_fields', 'constants', 'fields', 'full_name', 'has_header', 'header_present', 'names', 'package', 'parsed_fields', 'short_name', 'text', 'types']




template <class ContainerAllocator>
struct IsFixedSize< ::sensor_msgs::Image_<ContainerAllocator> >
  : FalseType
  { };

template <class ContainerAllocator>
struct IsFixedSize< ::sensor_msgs::Image_<ContainerAllocator> const>
  : FalseType
  { };

template <class ContainerAllocator>
struct IsMessage< ::sensor_msgs::Image_<ContainerAllocator> >
  : TrueType
  { };

template <class ContainerAllocator>
struct IsMessage< ::sensor_msgs::Image_<ContainerAllocator> const>
  : TrueType
  { };

template <class ContainerAllocator>
struct HasHeader< ::sensor_msgs::Image_<ContainerAllocator> >
  : TrueType
  { };

template <class ContainerAllocator>
struct HasHeader< ::sensor_msgs::Image_<ContainerAllocator> const>
  : TrueType
  { };


template<class ContainerAllocator>
struct MD5Sum< ::sensor_msgs::Image_<ContainerAllocator> >
{
  static const char* value()
  {
    return "060021388200f6f0f447d0fcd9c64743";
  }

  static const char* value(const ::sensor_msgs::Image_<ContainerAllocator>&) { return value(); }
  static const uint64_t static_value1 = 0x060021388200f6f0ULL;
  static const uint64_t static_value2 = 0xf447d0fcd9c64743ULL;
};

template<class ContainerAllocator>
struct DataType< ::sensor_msgs::Image_<ContainerAllocator> >
{
  static const char* value()
  {
    return "sensor_msgs/Image";
  }

  static const char* value(const ::sensor_msgs::Image_<ContainerAllocator>&) { return value(); }
};

template<class ContainerAllocator>
struct Definition< ::sensor_msgs::Image_<ContainerAllocator> >
{
  static const char* value()
  {
    return "# This message contains an uncompressed image\n\
# (0, 0) is at top-left corner of image\n\
#\n\
\n\
Header header        # Header timestamp should be acquisition time of image\n\
                     # Header frame_id should be optical frame of camera\n\
                     # origin of frame should be optical center of cameara\n\
                     # +x should point to the right in the image\n\
                     # +y should point down in the image\n\
                     # +z should point into to plane of the image\n\
                     # If the frame_id here and the frame_id of the CameraInfo\n\
                     # message associated with the image conflict\n\
                     # the behavior is undefined\n\
\n\
uint32 height         # image height, that is, number of rows\n\
uint32 width          # image width, that is, number of columns\n\
\n\
# The legal values for encoding are in file src/image_encodings.cpp\n\
# If you want to standardize a new string format, join\n\
# ros-users@lists.sourceforge.net and send an email proposing a new encoding.\n\
\n\
string encoding       # Encoding of pixels -- channel meaning, ordering, size\n\
                      # taken from the list of strings in include/sensor_msgs/image_encodings.h\n\
\n\
uint8 is_bigendian    # is this data bigendian?\n\
uint32 step           # Full row length in bytes\n\
uint8[] data          # actual matrix data, size is (step * rows)\n\
\n\
================================================================================\n\
MSG: std_msgs/Header\n\
# Standard metadata for higher-level stamped data types.\n\
# This is generally used to communicate timestamped data \n\
# in a particular coordinate frame.\n\
# \n\
# sequence ID: consecutively increasing ID \n\
uint32 seq\n\
#Two-integer timestamp that is expressed as:\n\
# * stamp.sec: seconds (stamp_secs) since epoch (in Python the variable is called 'secs')\n\
# * stamp.nsec: nanoseconds since stamp_secs (in Python the variable is called 'nsecs')\n\
# time-handling sugar is provided by the client library\n\
time stamp\n\
#Frame this data is associated with\n\
# 0: no frame\n\
# 1: global frame\n\
string frame_id\n\
";
  }

  static const char* value(const ::sensor_msgs::Image_<ContainerAllocator>&) { return value(); }
};

} // namespace message_traits
} // namespace ros

namespace ros
{
namespace serialization
{

  template<class ContainerAllocator> struct Serializer< ::sensor_msgs::Image_<ContainerAllocator> >
  {
    template<typename Stream, typename T> inline static void allInOne(Stream& stream, T m)
    {
      stream.next(m.header);
      stream.next(m.height);
      stream.next(m.width);
      stream.next(m.encoding);
      stream.next(m.is_bigendian);
      stream.next(m.step);
      stream.next(m.data);
    }

    ROS_DECLARE_ALLINONE_SERIALIZER;
  }; // struct Image_

} // namespace serialization
} // namespace ros

namespace ros
{
namespace message_operations
{

template<class ContainerAllocator>
struct Printer< ::sensor_msgs::Image_<ContainerAllocator> >
{
  template<typename Stream> static void stream(Stream& s, const std::string& indent, const ::sensor_msgs::Image_<ContainerAllocator>& v)
  {
    s << indent << "header: ";
    s << std::endl;
    Printer< ::std_msgs::Header_<ContainerAllocator> >::stream(s, indent + "  ", v.header);
    s << indent << "height: ";
    Printer<uint32_t>::stream(s, indent + "  ", v.height);
    s << indent << "width: ";
    Printer<uint32_t>::stream(s, indent + "  ", v.width);
    s << indent << "encoding: ";
    Printer<std::basic_string<char, std::char_traits<char>, typename ContainerAllocator::template rebind<char>::other > >::stream(s, indent + "  ", v.encoding);
    s << indent << "is_bigendian: ";
    Printer<uint8_t>::stream(s, indent + "  ", v.is_bigendian);
    s << indent << "step: ";
    Printer<uint32_t>::stream(s, indent + "  ", v.step);
    s << indent << "data[]" << std::endl;
    for (size_t i = 0; i < v.data.size(); ++i)
    {
      s << indent << "  data[" << i << "]: ";
      Printer<uint8_t>::stream(s, indent + "  ", v.data[i]);
    }
  }
};

} // namespace message_operations
} // namespace ros

#endif // SENSOR_MSGS_MESSAGE_IMAGE_H