-extern PROTO(int, abort,(void));
-extern PROTO(int, free,(PTR));
-extern PROTO(void, bcopy,(char*,char*,int));
-extern PROTO(void, exit,(int));
-extern int strtol();
-extern PROTO(void, bzero,(char *, int));
+extern int abort PARAMS ((void));
+extern int free PARAMS ((PTR));
+extern void bcopy PARAMS ((char*,char*,int));
+extern void exit PARAMS ((int));
+extern void bzero PARAMS ((char *, int));