char *fileupr = strdup (filename);
char *fileupr = estrdup (filename);
close_generator (char *filename){     char *fileupr = strdup (filename);	       strupr (fileupr);     fprintf (headerfile, "\n#endif /* %s */\n", fileupr);     efclose (headerfile);     efclose (clientfile);     efclose (serverfile);     efclose (clienthdrfile);     efclose (serverhdrfile);     efclose (ydrfile);}