1 files changed, 9 insertions, 2 deletions
diff --git a/menu_demo/button.c b/menu_demo/button.c
index f9d5ac0..82fe504 100644
--- a/menu_demo/button.c
+++ b/menu_demo/button.c
@@ -1,8 +1,15 @@
 #ifdef G_OS_WIN32
   #define WIN32_LEAN_AND_MEAN 1
-  #include <windows.h>
+  #include <windows.h>
+#else
+  #define FALSE 0
+  #define TRUE !FALSE
+  #define max(a, b)  (((a) > (b)) ? (a) : (b))
+
 #endif
 
+#include <string.h>
+
 #include <GL/gl.h>
 #include <string.h>
 #include <stdio.h>
@@ -364,4 +371,4 @@ void ButtonDisable(struct ButtonStruct *f_sButton)
 {
   f_sButton->m_bPressed = FALSE;
 
-} // ButtonDisable
-\ No newline at end of file
+} // ButtonDisable