Added comments and review some functions #3313

src/raylib.h

@@ -1058,15 +1058,16 @@ RLAPI int GetRandomValue(int min, int max);                       // Get a rando
 RLAPI void SetRandomSeed(unsigned int seed);                      // Set the seed for the random number generator
 RLAPI void TakeScreenshot(const char *fileName);                  // Takes a screenshot of current screen (filename extension defines format)
 RLAPI void SetConfigFlags(unsigned int flags);                    // Setup init configuration flags (view FLAGS)
+RLAPI void OpenURL(const char *url);                              // Open URL with default system browser (if available)
 
+// NOTE: Following functions implemented in module [utils]
+//------------------------------------------------------------------
 RLAPI void TraceLog(int logLevel, const char *text, ...);         // Show trace log messages (LOG_DEBUG, LOG_INFO, LOG_WARNING, LOG_ERROR...)
 RLAPI void SetTraceLogLevel(int logLevel);                        // Set the current threshold (minimum) log level
 RLAPI void *MemAlloc(unsigned int size);                          // Internal memory allocator
 RLAPI void *MemRealloc(void *ptr, unsigned int size);             // Internal memory reallocator
 RLAPI void MemFree(void *ptr);                                    // Internal memory free
 
-RLAPI void OpenURL(const char *url);                              // Open URL with default system browser (if available)
-
 // Set custom callbacks
 // WARNING: Callbacks setup is intended for advance users
 RLAPI void SetTraceLogCallback(TraceLogCallback callback);         // Set custom trace log
@@ -1083,6 +1084,9 @@ RLAPI bool ExportDataAsCode(const unsigned char *data, int dataSize, const char
 RLAPI char *LoadFileText(const char *fileName);                   // Load text data from file (read), returns a '\0' terminated string
 RLAPI void UnloadFileText(char *text);                            // Unload file text data allocated by LoadFileText()
 RLAPI bool SaveFileText(const char *fileName, char *text);        // Save text data to file (write), string must be '\0' terminated, returns true on success
+//------------------------------------------------------------------
+
+// File system functions
 RLAPI bool FileExists(const char *fileName);                      // Check if file exists
 RLAPI bool DirectoryExists(const char *dirPath);                  // Check if a directory path exists
 RLAPI bool IsFileExtension(const char *fileName, const char *ext); // Check file extension (including point: .png, .wav)
@@ -1120,9 +1124,9 @@ RLAPI bool IsKeyPressedRepeat(int key);                       // Check if a key
 RLAPI bool IsKeyDown(int key);                                // Check if a key is being pressed
 RLAPI bool IsKeyReleased(int key);                            // Check if a key has been released once
 RLAPI bool IsKeyUp(int key);                                  // Check if a key is NOT being pressed
-RLAPI void SetExitKey(int key);                               // Set a custom key to exit program (default is ESC)
 RLAPI int GetKeyPressed(void);                                // Get key pressed (keycode), call it multiple times for keys queued, returns 0 when the queue is empty
 RLAPI int GetCharPressed(void);                               // Get char pressed (unicode), call it multiple times for chars queued, returns 0 when the queue is empty
+RLAPI void SetExitKey(int key);                               // Set a custom key to exit program (default is ESC)
 
 // Input-related functions: gamepads
 RLAPI bool IsGamepadAvailable(int gamepad);                   // Check if a gamepad is available