+static void err __P((const char *, ...));
+static char *fmt __P((char **(*)(kvm_t *, const struct kinfo_proc *, int),
+ KINFO *, char *, int));
+static char *kludge_oldps_options __P((char *));
+static int pscomp __P((const void *, const void *));
+static void saveuser __P((KINFO *));
+static void scanvars __P((void));
+static void usage __P((void));