Made glfwGetProcAddress return a function pointer.

src/cocoa_opengl.m

@@ -88,14 +88,14 @@ int _glfwPlatformExtensionSupported(const char* extension)
 // Get the function pointer to an OpenGL function
 //========================================================================
 
-void* _glfwPlatformGetProcAddress(const char* procname)
+GLFWglproc _glfwPlatformGetProcAddress(const char* procname)
 {
     CFStringRef symbolName = CFStringCreateWithCString(kCFAllocatorDefault,
                                                        procname,
                                                        kCFStringEncodingASCII);
 
-    void* symbol = CFBundleGetFunctionPointerForName(_glfwLibrary.NSGL.framework,
-                                                     symbolName);
+    GLFWglproc symbol = CFBundleGetFunctionPointerForName(_glfwLibrary.NSGL.framework,
+                                                          symbolName);
 
     CFRelease(symbolName);
 

src/internal.h

@@ -327,7 +327,7 @@ void _glfwPlatformSwapBuffers(void);
 void _glfwPlatformSwapInterval(int interval);
 void _glfwPlatformRefreshWindowParams(void);
 int  _glfwPlatformExtensionSupported(const char* extension);
-void* _glfwPlatformGetProcAddress(const char* procname);
+GLFWglproc _glfwPlatformGetProcAddress(const char* procname);
 void _glfwPlatformCopyContext(_GLFWwindow* src, _GLFWwindow* dst, unsigned long mask);
 
 

src/opengl.c

@@ -613,7 +613,7 @@ GLFWAPI int glfwExtensionSupported(const char* extension)
 // This function can be used to get access to extended OpenGL functions.
 //========================================================================
 
-GLFWAPI void* glfwGetProcAddress(const char* procname)
+GLFWAPI GLFWglproc glfwGetProcAddress(const char* procname)
 {
     if (!_glfwInitialized)
     {

src/win32_opengl.c

@@ -111,9 +111,9 @@ int _glfwPlatformExtensionSupported(const char* extension)
 // Get the function pointer to an OpenGL function
 //========================================================================
 
-void* _glfwPlatformGetProcAddress(const char* procname)
+GLFWglproc _glfwPlatformGetProcAddress(const char* procname)
 {
-    return (void*) wglGetProcAddress(procname);
+    return wglGetProcAddress(procname);
 }
 
 

src/x11_opengl.c

@@ -752,9 +752,9 @@ int _glfwPlatformExtensionSupported(const char* extension)
 // Get the function pointer to an OpenGL function
 //========================================================================
 
-void* _glfwPlatformGetProcAddress(const char* procname)
+GLFWglproc _glfwPlatformGetProcAddress(const char* procname)
 {
-    return (void*) _glfw_glXGetProcAddress((const GLubyte*) procname);
+    return _glfw_glXGetProcAddress((const GLubyte*) procname);
 }