158 		struct cmdnames *main_cmds,  in load_command_list()  argument
165 		list_commands_in_dir(main_cmds, exec_path, prefix);  in load_command_list()
166 		qsort(main_cmds->names, main_cmds->cnt,  in load_command_list()
167 		      sizeof(*main_cmds->names), cmdname_compare);  in load_command_list()
168 		uniq(main_cmds);  in load_command_list()
190 	exclude_cmds(other_cmds, main_cmds);  in load_command_list()
193 void list_commands(const char *title, struct cmdnames *main_cmds,  in list_commands()  argument
198 	for (i = 0; i < main_cmds->cnt; i++)  in list_commands()
199 		if (longest < main_cmds->names[i]->len)  in list_commands()
200 			longest = main_cmds->names[i]->len;  in list_commands()
205 	if (main_cmds->cnt) {  in list_commands()
211 		pretty_print_string_list(main_cmds, longest);  in list_commands()
273 	struct cmdnames main_cmds, other_cmds;  in help_unknown_cmd()  local
275 	memset(&main_cmds, 0, sizeof(main_cmds));  in help_unknown_cmd()
276 	memset(&other_cmds, 0, sizeof(main_cmds));  in help_unknown_cmd()
281 	load_command_list("perf-", &main_cmds, &other_cmds);  in help_unknown_cmd()
283 	add_cmd_list(&main_cmds, &aliases);  in help_unknown_cmd()
284 	add_cmd_list(&main_cmds, &other_cmds);  in help_unknown_cmd()
285 	qsort(main_cmds.names, main_cmds.cnt,  in help_unknown_cmd()
286 	      sizeof(main_cmds.names), cmdname_compare);  in help_unknown_cmd()
287 	uniq(&main_cmds);  in help_unknown_cmd()
289 	if (main_cmds.cnt) {  in help_unknown_cmd()
291 		for (i = 0; i < main_cmds.cnt; ++i)  in help_unknown_cmd()
292 			main_cmds.names[i]->len =  in help_unknown_cmd()
293 				levenshtein(cmd, main_cmds.names[i]->name, 0, 2, 1, 4);  in help_unknown_cmd()
295 		qsort(main_cmds.names, main_cmds.cnt,  in help_unknown_cmd()
296 		      sizeof(*main_cmds.names), levenshtein_compare);  in help_unknown_cmd()
298 		best_similarity = main_cmds.names[0]->len;  in help_unknown_cmd()
300 		while (n < main_cmds.cnt && best_similarity == main_cmds.names[n]->len)  in help_unknown_cmd()
305 		const char *assumed = main_cmds.names[0]->name;  in help_unknown_cmd()
307 		main_cmds.names[0] = NULL;  in help_unknown_cmd()
308 		clean_cmdnames(&main_cmds);  in help_unknown_cmd()
323 	if (main_cmds.cnt && best_similarity < 6) {  in help_unknown_cmd()
328 			fprintf(stderr, "\t%s\n", main_cmds.names[i]->name);  in help_unknown_cmd()