-int locc __P((int mask, char *cp, unsigned size));
-int scanc __P((unsigned size, u_char *cp, u_char *table, int mask));
-int skpc __P((int mask, int size, char *cp));
+int imax __P((int, int));
+int imin __P((int, int));
+long lmax __P((long, long));
+long lmin __P((long, long));
+int locc __P((int, char *, u_int));
+u_int max __P((u_int, u_int));
+u_int min __P((u_int, u_int));
+int scanc __P((u_int, u_char *, u_char *, int));
+int skpc __P((int, int, char *));