Include file restructure!

- include/ now has subdirs
- standard C headers will be in 'include/c'. Any program can include these
- all other header shall only be used by the kernel

include/c/stdint.h

@@ -0,0 +1,21 @@
+#ifndef STDINT_H
+#define STDINT_H
+
+#define NULL ((void*)0)
+
+// Signed ints
+typedef signed char int8_t;
+typedef signed short int16_t;
+typedef signed int int32_t;
+typedef signed long long int64_t;
+
+// Unsigned ints
+typedef unsigned char uint8_t;
+typedef unsigned short uint16_t;
+typedef unsigned int uint32_t;
+typedef unsigned long long uint64_t;
+
+// Other
+typedef unsigned int size_t;
+
+#endif