init file + basic os detection

pc-outro.c

@@ -0,0 +1,34 @@
+#include <stdio.h>
+#include "portaudio.h"
+
+
+void shutdown(int os);
+
+void main (void){
+    int os;
+
+    #ifdef _WIN32
+        os = 1;
+    #elif TARGET_OS_MAC
+        os = 2
+	#elif __linux__
+        os = 3;
+	#elif BSD
+        os = 4;
+	#else
+        os = 0;
+	#endif
+
+    printf("%d", os);
+    
+};
+
+void shutdown(int os){
+    switch(os){
+        case 3:
+            // TODO: check init system; https://unix.stackexchange.com/questions/18209/detect-init-system-using-the-shell
+            system("shutdown -P now");
+        default:
+            printf("Error: Could not determine OS");
+    }
+};