diff --git a/src/raylib.h b/src/raylib.h
index bbb25cc6..15df914b 100644
--- a/src/raylib.h
+++ b/src/raylib.h
@@ -877,6 +877,8 @@ typedef void (*TraceLogCallback)(int logType, const char *text, va_list args);
 typedef void *(*MemAllocCallback)(int size);
 typedef void *(*MemReallocCallback)(int size);
 typedef void (*MemFreeCallback)(void *ptr);
+typedef unsigned char* (*LoadFileDataCallback)(const char* fileName, unsigned int* bytesRead);       // Load file data as byte array (read)
+typedef char* (*LoadFileTextCallback)(const char* fileName);                                        // Load text data from file (read), returns a '\0' terminated string
 
 #if defined(__cplusplus)
 extern "C" {            // Prevents name mangling of functions
@@ -969,20 +971,22 @@ RLAPI float GetFrameTime(void);                                   // Returns tim
 RLAPI double GetTime(void);                                       // Returns elapsed time in seconds since InitWindow()
 
 // Misc. functions
+RLAPI int GetRandomValue(int min, int max);                       // Returns a random value between min and max (both included)
+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 SetTraceLogLevel(int logType);                         // Set the current threshold (minimum) log level
-RLAPI void SetTraceLogCallback(TraceLogCallback callback);        // Set a trace log callback to enable custom logging
 RLAPI void TraceLog(int logType, const char *text, ...);          // Show trace log messages (LOG_DEBUG, LOG_INFO, LOG_WARNING, LOG_ERROR)
-
+RLAPI void SetTraceLogLevel(int logType);                         // Set the current threshold (minimum) log level
 RLAPI void *MemAlloc(int size);                                   // Internal memory allocator
 RLAPI void MemFree(void *ptr);                                    // Internal memory free
+
+// Set system callbacks
+RLAPI void SetTraceLogCallback(TraceLogCallback callback);        // Set a trace log callback to enable custom logging
 RLAPI void SetMemAllocCallback(MemAllocCallback callback);        // Set custom memory allocator
 RLAPI void SetMemReallocCallback(MemReallocCallback callback);    // Set custom memory reallocator
 RLAPI void SetMemFreeCallback(MemFreeCallback callback);          // Set custom memory free
-
-RLAPI void TakeScreenshot(const char *fileName);                  // Takes a screenshot of current screen (saved a .png)
-RLAPI int GetRandomValue(int min, int max);                       // Returns a random value between min and max (both included)
+RLAPI void SetLoadFileDataCallback(LoadFileDataCallback callback);  // override default file access functions
+RLAPI void SetLoadFileTextCallback(LoadFileDataCallback callback);  // override default file access functions
 
 // Files management functions
 RLAPI unsigned char *LoadFileData(const char *fileName, unsigned int *bytesRead);     // Load file data as byte array (read)