- new bb_opt_complementally syntax, use [-:?] only - 'free' chars

- new bb_getopt_ulflags features: check max and min args, convert first argv to options special for ar and tar applets
- use bb_default_error_retval for env applet

procps/pidof.c

@@ -49,7 +49,7 @@ extern int pidof_main(int argc, char **argv)
 	unsigned long int opt;
 #if ENABLE_FEATURE_PIDOF_OMIT
 	llist_t *omits = NULL; /* list of pids to omit */
-	bb_opt_complementally = _OMIT_COMPL("o*");
+	bb_opt_complementally = _OMIT_COMPL("o::");
 #endif
 
 	/* do unconditional option parsing */