-extern void wxHandleProcessTermination(wxEndProcessData *proc_data);
-
-// this function is called to associate the port-specific callback with the
-// child process. The return valus is port-specific.
-extern int wxAddProcessCallback(wxEndProcessData *proc_data, int fd);
-
-#if defined(__DARWIN__) && defined(__WXMAC__)
-// For ports (e.g. DARWIN) which can add callbacks based on the pid
-extern int wxAddProcessCallbackForPid(wxEndProcessData *proc_data, int pid);
-#endif