build: add the SIBO SDK

code/SIBOSDK/hwdemo/qu2.c

@@ -0,0 +1,32 @@
+/*
+    QU2.C
+*/
+
+#include <p_std.h>
+#include <wlib.h>
+#include <hwif.h>
+
+LOCAL_C VOID CreateGC(VOID)
+    {
+    INT hgc;
+
+    hgc=gCreateGC0(uFindMainWid());
+    if (hgc<0)
+        p_exit(hgc);
+    }
+
+GLDEF_C VOID main(VOID)
+    {
+    WMSG_KEY key;
+
+    uCommonInit();
+    CreateGC();
+    gBorder(W_BORD_CORNER_4);
+    wSetBusyMsg("Hello world",W_CORNER_BOTTOM_LEFT);
+    FOREVER
+        {
+        uGetKey(&key);
+        if (key.keycode==(W_SPECIAL_KEY|'x'))
+            p_exit(0);
+        }
+    }