1 files changed, 17 insertions, 2 deletions
diff --git a/net/net_sys.h b/net/net_sys.h
index a296b41..3539bfc 100644
--- a/net/net_sys.h
+++ b/net/net_sys.h
@@ -1,7 +1,22 @@
 /**
  * @file
  *
- * this has to be provided and linked against the fool stack
+ * this functions need to be provided and linked against the fool stack.
+ *
+ *  * memcpy(dst,src,x);      - copy x bytes of memory to dst from src
+ *  * klog(...);              - printf style logger
+ *  * addr=kballoc(x);        - allocate x 4096 byte pages of memory
+ *  * kbfree(addr);           - free memory allocated with kballoc
+ *
+ *  You only need to provide this functions, check the provided 
+ *  implementations for examples:
+ *
+ *  * net_sys_linux           - linux userspace
+ *  * net_sys_foolos_kernel.h - standalone fool-os in-kernel
  */
 
-void* memcpy(void* restrict dstptr, const void* restrict srcptr, int size);
+#ifdef FOOLOS_KERNEL
+#include "net_sys_foolos_kernel.h"
+#else
+#include "net_sys_linux.h"
+#endif