diff --git a/include/SFML/Audio/Sound.h b/include/SFML/Audio/Sound.h
index fb19470..7dbe5b0 100644
--- a/include/SFML/Audio/Sound.h
+++ b/include/SFML/Audio/Sound.h
@@ -51,7 +51,7 @@ CSFML_AUDIO_API sfSound* sfSound_create(void);
 /// \return A new sfSound object which is a copy of \a sound
 ///
 ////////////////////////////////////////////////////////////
-CSFML_AUDIO_API sfSound* sfSound_copy(sfSound* sound);
+CSFML_AUDIO_API sfSound* sfSound_copy(const sfSound* sound);
 
 ////////////////////////////////////////////////////////////
 /// \brief Destroy a sound
diff --git a/include/SFML/Audio/SoundBuffer.h b/include/SFML/Audio/SoundBuffer.h
index c1d8ecc..742f5e5 100644
--- a/include/SFML/Audio/SoundBuffer.h
+++ b/include/SFML/Audio/SoundBuffer.h
@@ -102,7 +102,7 @@ CSFML_AUDIO_API sfSoundBuffer* sfSoundBuffer_createFromSamples(const sfInt16* sa
 /// \return A new sfSoundBuffer object which is a copy of \a soundBuffer
 ///
 ////////////////////////////////////////////////////////////
-CSFML_AUDIO_API sfSoundBuffer* sfSoundBuffer_copy(sfSoundBuffer* soundBuffer);
+CSFML_AUDIO_API sfSoundBuffer* sfSoundBuffer_copy(const sfSoundBuffer* soundBuffer);
 
 ////////////////////////////////////////////////////////////
 /// \brief Destroy a sound buffer
diff --git a/include/SFML/Graphics/CircleShape.h b/include/SFML/Graphics/CircleShape.h
index 8a26298..44fccc9 100644
--- a/include/SFML/Graphics/CircleShape.h
+++ b/include/SFML/Graphics/CircleShape.h
@@ -52,7 +52,7 @@ CSFML_GRAPHICS_API sfCircleShape* sfCircleShape_create(void);
 /// \return Copied object
 ///
 ////////////////////////////////////////////////////////////
-CSFML_GRAPHICS_API sfCircleShape* sfCircleShape_copy(sfCircleShape* shape);
+CSFML_GRAPHICS_API sfCircleShape* sfCircleShape_copy(const sfCircleShape* shape);
 
 ////////////////////////////////////////////////////////////
 /// \brief Destroy an existing circle Shape
diff --git a/include/SFML/Graphics/ConvexShape.h b/include/SFML/Graphics/ConvexShape.h
index 293e948..f0419eb 100644
--- a/include/SFML/Graphics/ConvexShape.h
+++ b/include/SFML/Graphics/ConvexShape.h
@@ -52,7 +52,7 @@ CSFML_GRAPHICS_API sfConvexShape* sfConvexShape_create(void);
 /// \return Copied object
 ///
 ////////////////////////////////////////////////////////////
-CSFML_GRAPHICS_API sfConvexShape* sfConvexShape_copy(sfConvexShape* shape);
+CSFML_GRAPHICS_API sfConvexShape* sfConvexShape_copy(const sfConvexShape* shape);
 
 ////////////////////////////////////////////////////////////
 /// \brief Destroy an existing convex Shape
diff --git a/include/SFML/Graphics/Font.h b/include/SFML/Graphics/Font.h
index 0abbada..049cd83 100644
--- a/include/SFML/Graphics/Font.h
+++ b/include/SFML/Graphics/Font.h
@@ -74,7 +74,7 @@ CSFML_GRAPHICS_API sfFont* sfFont_createFromStream(sfInputStream* stream);
 /// \return Copied object
 ///
 ////////////////////////////////////////////////////////////
-CSFML_GRAPHICS_API sfFont* sfFont_copy(sfFont* font);
+CSFML_GRAPHICS_API sfFont* sfFont_copy(const sfFont* font);
 
 ////////////////////////////////////////////////////////////
 /// \brief Destroy an existing font
diff --git a/include/SFML/Graphics/Image.h b/include/SFML/Graphics/Image.h
index 08b3e4c..77abea8 100644
--- a/include/SFML/Graphics/Image.h
+++ b/include/SFML/Graphics/Image.h
@@ -133,7 +133,7 @@ CSFML_GRAPHICS_API sfImage* sfImage_createFromStream(sfInputStream* stream);
 /// \return Copied object
 ///
 ////////////////////////////////////////////////////////////
-CSFML_GRAPHICS_API sfImage* sfImage_copy(sfImage* image);
+CSFML_GRAPHICS_API sfImage* sfImage_copy(const sfImage* image);
 
 ////////////////////////////////////////////////////////////
 /// \brief Destroy an existing image
diff --git a/include/SFML/Graphics/RectangleShape.h b/include/SFML/Graphics/RectangleShape.h
index f33699e..0ad2543 100644
--- a/include/SFML/Graphics/RectangleShape.h
+++ b/include/SFML/Graphics/RectangleShape.h
@@ -52,7 +52,7 @@ CSFML_GRAPHICS_API sfRectangleShape* sfRectangleShape_create(void);
 /// \return Copied object
 ///
 ////////////////////////////////////////////////////////////
-CSFML_GRAPHICS_API sfRectangleShape* sfRectangleShape_copy(sfRectangleShape* shape);
+CSFML_GRAPHICS_API sfRectangleShape* sfRectangleShape_copy(const sfRectangleShape* shape);
 
 ////////////////////////////////////////////////////////////
 /// \brief Destroy an existing rectangle shape
diff --git a/include/SFML/Graphics/Sprite.h b/include/SFML/Graphics/Sprite.h
index 7b4a548..b4e3d5a 100644
--- a/include/SFML/Graphics/Sprite.h
+++ b/include/SFML/Graphics/Sprite.h
@@ -53,7 +53,7 @@ CSFML_GRAPHICS_API sfSprite* sfSprite_create(void);
 /// \return Copied object
 ///
 ////////////////////////////////////////////////////////////
-CSFML_GRAPHICS_API sfSprite* sfSprite_copy(sfSprite* sprite);
+CSFML_GRAPHICS_API sfSprite* sfSprite_copy(const sfSprite* sprite);
 
 ////////////////////////////////////////////////////////////
 /// \brief Destroy an existing sprite
diff --git a/include/SFML/Graphics/Text.h b/include/SFML/Graphics/Text.h
index 8bb06ab..610614e 100644
--- a/include/SFML/Graphics/Text.h
+++ b/include/SFML/Graphics/Text.h
@@ -65,7 +65,7 @@ CSFML_GRAPHICS_API sfText* sfText_create(void);
 /// \return Copied object
 ///
 ////////////////////////////////////////////////////////////
-CSFML_GRAPHICS_API sfText* sfText_copy(sfText* text);
+CSFML_GRAPHICS_API sfText* sfText_copy(const sfText* text);
 
 ////////////////////////////////////////////////////////////
 /// \brief Destroy an existing text
diff --git a/include/SFML/Graphics/Texture.h b/include/SFML/Graphics/Texture.h
index a1edce9..cf73965 100644
--- a/include/SFML/Graphics/Texture.h
+++ b/include/SFML/Graphics/Texture.h
@@ -101,7 +101,7 @@ CSFML_GRAPHICS_API sfTexture* sfTexture_createFromImage(const sfImage* image, co
 /// \return Copied object
 ///
 ////////////////////////////////////////////////////////////
-CSFML_GRAPHICS_API sfTexture* sfTexture_copy(sfTexture* texture);
+CSFML_GRAPHICS_API sfTexture* sfTexture_copy(const sfTexture* texture);
 
 ////////////////////////////////////////////////////////////
 /// \brief Destroy an existing texture
diff --git a/include/SFML/Graphics/Transformable.h b/include/SFML/Graphics/Transformable.h
index df41030..4e67bb3 100644
--- a/include/SFML/Graphics/Transformable.h
+++ b/include/SFML/Graphics/Transformable.h
@@ -50,7 +50,7 @@ CSFML_GRAPHICS_API sfTransformable* sfTransformable_create(void);
 /// \return Copied object
 ///
 ////////////////////////////////////////////////////////////
-CSFML_GRAPHICS_API sfTransformable* sfTransformable_copy(sfTransformable* transformable);
+CSFML_GRAPHICS_API sfTransformable* sfTransformable_copy(const sfTransformable* transformable);
 
 ////////////////////////////////////////////////////////////
 /// \brief Destroy an existing transformable
diff --git a/include/SFML/Graphics/VertexArray.h b/include/SFML/Graphics/VertexArray.h
index f2fba12..c916530 100644
--- a/include/SFML/Graphics/VertexArray.h
+++ b/include/SFML/Graphics/VertexArray.h
@@ -51,7 +51,7 @@ CSFML_GRAPHICS_API sfVertexArray* sfVertexArray_create(void);
 /// \return Copied object
 ///
 ////////////////////////////////////////////////////////////
-CSFML_GRAPHICS_API sfVertexArray* sfVertexArray_copy(sfVertexArray* vertexArray);
+CSFML_GRAPHICS_API sfVertexArray* sfVertexArray_copy(const sfVertexArray* vertexArray);
 
 ////////////////////////////////////////////////////////////
 /// \brief Destroy an existing vertex array
diff --git a/include/SFML/Graphics/View.h b/include/SFML/Graphics/View.h
index edff307..15848b9 100644
--- a/include/SFML/Graphics/View.h
+++ b/include/SFML/Graphics/View.h
@@ -62,7 +62,7 @@ CSFML_GRAPHICS_API sfView* sfView_createFromRect(sfFloatRect rectangle);
 /// \return Copied object
 ///
 ////////////////////////////////////////////////////////////
-CSFML_GRAPHICS_API sfView* sfView_copy(sfView* view);
+CSFML_GRAPHICS_API sfView* sfView_copy(const sfView* view);
 
 ////////////////////////////////////////////////////////////
 /// \brief Destroy an existing view
diff --git a/include/SFML/Network/Packet.h b/include/SFML/Network/Packet.h
index 1b38a30..bf1108b 100644
--- a/include/SFML/Network/Packet.h
+++ b/include/SFML/Network/Packet.h
@@ -49,7 +49,7 @@ CSFML_NETWORK_API sfPacket* sfPacket_create(void);
 /// \return A new sfPacket object which is a copy of \a packet
 ///
 ////////////////////////////////////////////////////////////
-CSFML_NETWORK_API sfPacket* sfPacket_copy(sfPacket* packet);
+CSFML_NETWORK_API sfPacket* sfPacket_copy(const sfPacket* packet);
 
 ////////////////////////////////////////////////////////////
 /// \brief Destroy a packet
diff --git a/include/SFML/Network/SocketSelector.h b/include/SFML/Network/SocketSelector.h
index 63eb202..4d2eb41 100644
--- a/include/SFML/Network/SocketSelector.h
+++ b/include/SFML/Network/SocketSelector.h
@@ -49,7 +49,7 @@ CSFML_NETWORK_API sfSocketSelector* sfSocketSelector_create(void);
 /// \return A new sfSocketSelector object which is a copy of \a selector
 ///
 ////////////////////////////////////////////////////////////
-CSFML_NETWORK_API sfSocketSelector* sfSocketSelector_copy(sfSocketSelector* selector);
+CSFML_NETWORK_API sfSocketSelector* sfSocketSelector_copy(const sfSocketSelector* selector);
 
 ////////////////////////////////////////////////////////////
 /// \brief Destroy a socket selector
diff --git a/include/SFML/System/Clock.h b/include/SFML/System/Clock.h
index bd5d29d..aebf5b6 100644
--- a/include/SFML/System/Clock.h
+++ b/include/SFML/System/Clock.h
@@ -49,7 +49,7 @@ CSFML_SYSTEM_API sfClock* sfClock_create(void);
 /// \return A new sfClock object which is a copy of \a clock
 ///
 ////////////////////////////////////////////////////////////
-CSFML_SYSTEM_API sfClock* sfClock_copy(sfClock* clock);
+CSFML_SYSTEM_API sfClock* sfClock_copy(const sfClock* clock);
 
 ////////////////////////////////////////////////////////////
 /// \brief Destroy a clock
diff --git a/src/SFML/Audio/Sound.cpp b/src/SFML/Audio/Sound.cpp
index 056a792..f4991fe 100644
--- a/src/SFML/Audio/Sound.cpp
+++ b/src/SFML/Audio/Sound.cpp
@@ -38,7 +38,7 @@ sfSound* sfSound_create(void)
 
 
 ////////////////////////////////////////////////////////////
-sfSound* sfSound_copy(sfSound* sound)
+sfSound* sfSound_copy(const sfSound* sound)
 {
     CSFML_CHECK_RETURN(sound, NULL);
 
diff --git a/src/SFML/Audio/SoundBuffer.cpp b/src/SFML/Audio/SoundBuffer.cpp
index fe77b70..97d137a 100644
--- a/src/SFML/Audio/SoundBuffer.cpp
+++ b/src/SFML/Audio/SoundBuffer.cpp
@@ -95,7 +95,7 @@ sfSoundBuffer* sfSoundBuffer_createFromSamples(const sfInt16* samples, size_t sa
 
 
 ////////////////////////////////////////////////////////////
-sfSoundBuffer* sfSoundBuffer_copy(sfSoundBuffer* soundBuffer)
+sfSoundBuffer* sfSoundBuffer_copy(const sfSoundBuffer* soundBuffer)
 {
     CSFML_CHECK_RETURN(soundBuffer, NULL);
 
diff --git a/src/SFML/Graphics/CircleShape.cpp b/src/SFML/Graphics/CircleShape.cpp
index 3df9576..29888b0 100644
--- a/src/SFML/Graphics/CircleShape.cpp
+++ b/src/SFML/Graphics/CircleShape.cpp
@@ -43,7 +43,7 @@ sfCircleShape* sfCircleShape_create(void)
 
 
 ////////////////////////////////////////////////////////////
-sfCircleShape* sfCircleShape_copy(sfCircleShape* shape)
+sfCircleShape* sfCircleShape_copy(const sfCircleShape* shape)
 {
     CSFML_CHECK_RETURN(shape, NULL);
 
diff --git a/src/SFML/Graphics/ConvexShape.cpp b/src/SFML/Graphics/ConvexShape.cpp
index 60f033a..6a72dbf 100644
--- a/src/SFML/Graphics/ConvexShape.cpp
+++ b/src/SFML/Graphics/ConvexShape.cpp
@@ -40,7 +40,7 @@ sfConvexShape* sfConvexShape_create(void)
 
 
 ////////////////////////////////////////////////////////////
-sfConvexShape* sfConvexShape_copy(sfConvexShape* shape)
+sfConvexShape* sfConvexShape_copy(const sfConvexShape* shape)
 {
     CSFML_CHECK_RETURN(shape, NULL);
 
diff --git a/src/SFML/Graphics/Font.cpp b/src/SFML/Graphics/Font.cpp
index b845f61..d73083a 100644
--- a/src/SFML/Graphics/Font.cpp
+++ b/src/SFML/Graphics/Font.cpp
@@ -85,7 +85,7 @@ sfFont* sfFont_createFromStream(sfInputStream* stream)
 ////////////////////////////////////////////////////////////
 /// Copy an existing font
 ////////////////////////////////////////////////////////////
-sfFont* sfFont_copy(sfFont* font)
+sfFont* sfFont_copy(const sfFont* font)
 {
     CSFML_CHECK_RETURN(font, NULL);
 
diff --git a/src/SFML/Graphics/Image.cpp b/src/SFML/Graphics/Image.cpp
index e424864..a0b8f81 100644
--- a/src/SFML/Graphics/Image.cpp
+++ b/src/SFML/Graphics/Image.cpp
@@ -109,7 +109,7 @@ sfImage* sfImage_createFromStream(sfInputStream* stream)
 
 
 ////////////////////////////////////////////////////////////
-sfImage* sfImage_copy(sfImage* image)
+sfImage* sfImage_copy(const sfImage* image)
 {
     CSFML_CHECK_RETURN(image, NULL);
 
diff --git a/src/SFML/Graphics/RectangleShape.cpp b/src/SFML/Graphics/RectangleShape.cpp
index f296ba2..ae3d88a 100644
--- a/src/SFML/Graphics/RectangleShape.cpp
+++ b/src/SFML/Graphics/RectangleShape.cpp
@@ -40,7 +40,7 @@ sfRectangleShape* sfRectangleShape_create(void)
 
 
 ////////////////////////////////////////////////////////////
-sfRectangleShape* sfRectangleShape_copy(sfRectangleShape* shape)
+sfRectangleShape* sfRectangleShape_copy(const sfRectangleShape* shape)
 {
     CSFML_CHECK_RETURN(shape, NULL);
 
diff --git a/src/SFML/Graphics/Sprite.cpp b/src/SFML/Graphics/Sprite.cpp
index 35f8ab4..9b283ba 100644
--- a/src/SFML/Graphics/Sprite.cpp
+++ b/src/SFML/Graphics/Sprite.cpp
@@ -44,7 +44,7 @@ sfSprite* sfSprite_create(void)
 
 
 ////////////////////////////////////////////////////////////
-sfSprite* sfSprite_copy(sfSprite* sprite)
+sfSprite* sfSprite_copy(const sfSprite* sprite)
 {
     CSFML_CHECK_RETURN(sprite, NULL);
 
diff --git a/src/SFML/Graphics/Text.cpp b/src/SFML/Graphics/Text.cpp
index 1deb219..6c4094e 100644
--- a/src/SFML/Graphics/Text.cpp
+++ b/src/SFML/Graphics/Text.cpp
@@ -44,7 +44,7 @@ sfText* sfText_create(void)
 
 
 ////////////////////////////////////////////////////////////
-sfText* sfText_copy(sfText* text)
+sfText* sfText_copy(const sfText* text)
 {
     CSFML_CHECK_RETURN(text, NULL);
 
diff --git a/src/SFML/Graphics/Texture.cpp b/src/SFML/Graphics/Texture.cpp
index 614c2df..911a399 100644
--- a/src/SFML/Graphics/Texture.cpp
+++ b/src/SFML/Graphics/Texture.cpp
@@ -131,7 +131,7 @@ sfTexture* sfTexture_createFromImage(const sfImage* image, const sfIntRect* area
 
 
 ////////////////////////////////////////////////////////////
-sfTexture* sfTexture_copy(sfTexture* texture)
+sfTexture* sfTexture_copy(const sfTexture* texture)
 {
     CSFML_CHECK_RETURN(texture, NULL);
 
diff --git a/src/SFML/Graphics/Transformable.cpp b/src/SFML/Graphics/Transformable.cpp
index b923c29..3050fa3 100644
--- a/src/SFML/Graphics/Transformable.cpp
+++ b/src/SFML/Graphics/Transformable.cpp
@@ -41,7 +41,7 @@ sfTransformable* sfTransformable_create(void)
 
 
 ////////////////////////////////////////////////////////////
-sfTransformable* sfTransformable_copy(sfTransformable* transformable)
+sfTransformable* sfTransformable_copy(const sfTransformable* transformable)
 {
     CSFML_CHECK_RETURN(transformable, NULL);
 
diff --git a/src/SFML/Graphics/VertexArray.cpp b/src/SFML/Graphics/VertexArray.cpp
index 4b46b0b..2047afc 100644
--- a/src/SFML/Graphics/VertexArray.cpp
+++ b/src/SFML/Graphics/VertexArray.cpp
@@ -38,7 +38,7 @@ sfVertexArray* sfVertexArray_create(void)
 
 
 ////////////////////////////////////////////////////////////
-sfVertexArray* sfVertexArray_copy(sfVertexArray* vertexArray)
+sfVertexArray* sfVertexArray_copy(const sfVertexArray* vertexArray)
 {
     CSFML_CHECK_RETURN(vertexArray, NULL);
 
diff --git a/src/SFML/Graphics/View.cpp b/src/SFML/Graphics/View.cpp
index 10032a3..e8f9e9f 100644
--- a/src/SFML/Graphics/View.cpp
+++ b/src/SFML/Graphics/View.cpp
@@ -48,7 +48,7 @@ sfView* sfView_createFromRect(sfFloatRect rectangle)
 
 
 ////////////////////////////////////////////////////////////
-sfView* sfView_copy(sfView* view)
+sfView* sfView_copy(const sfView* view)
 {
     CSFML_CHECK_RETURN(view, NULL);
 
diff --git a/src/SFML/Network/Packet.cpp b/src/SFML/Network/Packet.cpp
index e1a3da1..d745dbe 100644
--- a/src/SFML/Network/Packet.cpp
+++ b/src/SFML/Network/Packet.cpp
@@ -38,7 +38,7 @@ sfPacket* sfPacket_create(void)
 
 
 ////////////////////////////////////////////////////////////
-sfPacket* sfPacket_copy(sfPacket* packet)
+sfPacket* sfPacket_copy(const sfPacket* packet)
 {
     CSFML_CHECK_RETURN(packet, NULL);
 
diff --git a/src/SFML/Network/SocketSelector.cpp b/src/SFML/Network/SocketSelector.cpp
index 7648ab3..c47e4f8 100644
--- a/src/SFML/Network/SocketSelector.cpp
+++ b/src/SFML/Network/SocketSelector.cpp
@@ -41,7 +41,7 @@ sfSocketSelector* sfSocketSelector_create(void)
 
 
 ////////////////////////////////////////////////////////////
-sfSocketSelector* sfSocketSelector_copy(sfSocketSelector* selector)
+sfSocketSelector* sfSocketSelector_copy(const sfSocketSelector* selector)
 {
     CSFML_CHECK_RETURN(selector, NULL);
 
diff --git a/src/SFML/System/Clock.cpp b/src/SFML/System/Clock.cpp
index 0fefedc..53ff67a 100644
--- a/src/SFML/System/Clock.cpp
+++ b/src/SFML/System/Clock.cpp
@@ -38,7 +38,7 @@ sfClock* sfClock_create(void)
 
 
 ////////////////////////////////////////////////////////////
-sfClock* sfClock_copy(sfClock* clock)
+sfClock* sfClock_copy(const sfClock* clock)
 {
     CSFML_CHECK_RETURN(clock, NULL);