[TEST]UPSTREAM: Pick some source changes from 48080d0a97

* Sync new folder structure

AMSS_NCKU_source/AHF_Direct/stdc.h

@@ -0,0 +1,24 @@
+#ifndef AHFINDERDIRECT__STDC_H
+#define AHFINDERDIRECT__STDC_H
+
+#define then /* empty */
+
+#ifdef M_PI
+#define PI M_PI
+#endif
+
+#define iabs(x_) abs(x_)
+
+namespace AHFinderDirect
+{
+	namespace jtutil
+	{
+
+		int error_exit(int msg_level, const char *format, ...);
+
+#define ERROR_EXIT (-1)
+#define PANIC_EXIT (-2)
+	}
+}
+
+#endif /* AHFINDERDIRECT__STDC_H */