Clean up OS-specific initialization

src/porting.h

@@ -301,6 +301,9 @@ inline const char *getPlatformName()
 
 bool secure_rand_fill_buf(void *buf, size_t len);
 
+// Call once near beginning of main function.
+void osSpecificInit();
+
 // This attaches to the parents process console, or creates a new one if it doesnt exist.
 void attachOrCreateConsole();