1 files changed, 24 insertions, 0 deletions
diff --git a/reduced_system_layer.c b/reduced_system_layer.c
index 1e360a1..decd327 100755
--- a/reduced_system_layer.c
+++ b/reduced_system_layer.c
@@ -68,6 +68,15 @@ exit $? # */
 #endif
 //  ================================================================
 //
+//    Include guards
+//
+//  ================================================================
+
+#ifndef REDUCED_SYSTEM_LAYER_HEADER_GUARD_
+#define REDUCED_SYSTEM_LAYER_HEADER_GUARD_
+
+//  ================================================================
+//
 //    Basic declarations
 //
 //  ================================================================
@@ -222,6 +231,10 @@ i64 p_send(u16 slot, IP_Address address, i64 size, u8 *data, u16 *local_port);
 Platform platform = {0};
 
 //  ================================================================
+
+#endif // REDUCED_SYSTEM_LAYER_HEADER_GUARD_
+
+//  ================================================================
 //
 //    WRITE YOUR CODE HERE
 //
@@ -258,6 +271,12 @@ i32 main(i32 argc, c8 **argv) {
 //    PLATFORM IMPLEMENTATION
 //
 //  ================================================================
+
+#ifndef REDUCED_SYSTEM_LAYER_HEADER
+#ifndef REDUCED_SYSTEM_LAYER_IMPLEMENTATION_GUARD_
+#define REDUCED_SYSTEM_LAYER_IMPLEMENTATION_GUARD_
+
+//  ================================================================
 //
 //  Utilities
 //
@@ -1118,3 +1137,8 @@ void p_queue_sound(i64 delay, i64 num_samples, f32 *samples) {
 }
 
 #endif
+
+//  ================================================================
+
+#endif // REDUCED_SYSTEM_LAYER_IMPLEMENTATION_GUARD_
+#endif // REDUCED_SYSTEM_LAYER_HEADER