210     char_u  *str,  in in_history()  argument
230 	if (STRCMP(str, p) == 0  in in_history()
245 	str = history[type][i].hisstr;  in in_history()
255 	history[type][i].hisstr = str;  in in_history()
451 del_history_entry(int histype, char_u *str)  in del_history_entry()  argument
465 	    && *str != NUL  in del_history_entry()
467 	    && (regmatch.regprog = vim_regcomp(str, RE_MAGIC + RE_STRING))  in del_history_entry()
542     char_u	*str;  in f_histadd()  local
554     str = tv_get_string_chk(&argvars[0]);	// NULL on type error  in f_histadd()
555     histype = str != NULL ? get_histtype(str) : -1;  in f_histadd()
558 	str = tv_get_string_buf(&argvars[1], buf);  in f_histadd()
559 	if (*str != NUL)  in f_histadd()
562 	    add_to_history(histype, str, FALSE, NUL);  in f_histadd()
577     char_u	*str;  in f_histdel()  local
584     str = tv_get_string_chk(&argvars[0]);	// NULL on type error  in f_histdel()
585     if (str == NULL)  in f_histdel()
589 	n = clr_history(get_histtype(str));  in f_histdel()
592 	n = del_history_idx(get_histtype(str),  in f_histdel()
596 	n = del_history_entry(get_histtype(str),  in f_histdel()
609     char_u	*str;  in f_histget()  local
616     str = tv_get_string_chk(&argvars[0]);	// NULL on type error  in f_histget()
617     if (str == NULL)  in f_histget()
621 	type = get_histtype(str);  in f_histget()