Added some comments and fixed spaces

src/core.c

@@ -1111,6 +1111,7 @@ Vector2 GetTouchPosition(void)
     return position;
 }
 
+// Detect if a button has been pressed once
 bool IsButtonPressed(int button)
 {
     bool pressed = false;

src/physac.c

@@ -61,7 +61,7 @@ static Vector2 Vector2Normalize(Vector2 vector);
 //----------------------------------------------------------------------------------
 // Module Functions Definitions
 //----------------------------------------------------------------------------------
-void InitPhysics()
+void InitPhysics(void)
 {    
     for (int i = 0; i < MAX_ELEMENTS; i++)
     {

src/physac.h

@@ -76,7 +76,7 @@ extern "C" {            // Prevents name mangling of functions
 //----------------------------------------------------------------------------------
 // Module Functions Declarations
 //----------------------------------------------------------------------------------
-void InitPhysics();                                                         // Initialize all internal physics values
+void InitPhysics(void);                                                     // Initialize all internal physics values
 void SetPhysics(Physics settings);                                          // Set physics settings values using Physics data type to overwrite internal physics settings
 
 void AddRigidbody(int index, Rigidbody rigidbody);                          // Initialize a new rigidbody with parameters to internal index slot

src/raylib.h

@@ -805,7 +805,7 @@ void SetMaterialNormalDepth(Material *material, float depth);           // Set n
 //----------------------------------------------------------------------------------
 // Physics System Functions (engine-module: physics)
 //----------------------------------------------------------------------------------
-void InitPhysics();                                                         // Initialize all internal physics values
+void InitPhysics(void);                                                     // Initialize all internal physics values
 void SetPhysics(Physics settings);                                          // Set physics settings values using Physics data type to overwrite internal physics settings
 
 void AddRigidbody(int index, Rigidbody rigidbody);                          // Initialize a new rigidbody with parameters to internal index slot

templates/android_project/jni/include/raylib.h

@@ -805,7 +805,7 @@ void SetMaterialNormalDepth(Material *material, float depth);           // Set n
 //----------------------------------------------------------------------------------
 // Physics System Functions (engine-module: physics)
 //----------------------------------------------------------------------------------
-void InitPhysics();                                                         // Initialize all internal physics values
+void InitPhysics(void);                                                     // Initialize all internal physics values
 void SetPhysics(Physics settings);                                          // Set physics settings values using Physics data type to overwrite internal physics settings
 
 void AddRigidbody(int index, Rigidbody rigidbody);                          // Initialize a new rigidbody with parameters to internal index slot