675 	if (varnames.len == 1 && varnames.words[0][0] == '\0')  in Var_Undef()
679 		const char *varname = varnames.words[i];  in Var_Undef()
849 			ExportVar(varnames.words[i], scope, VEM_ENV);  in Var_ReexportVars()
859 	Words words = Str_Words(varnames, false);  in ExportVars()  local
862 	if (words.len == 1 && words.words[0][0] == '\0')  in ExportVars()
863 		words.len = 0;  in ExportVars()
865 	for (i = 0; i < words.len; i++) {  in ExportVars()
866 		const char *varname = words.words[i];  in ExportVars()
876 	Words_Free(words);  in ExportVars()
1003 	SubstringWords words;  in UnexportVars()  local
1008 	words = Substring_Words(varnames, false);  in UnexportVars()
1009 	for (i = 0; i < words.len; i++)  in UnexportVars()
1010 		UnexportVar(words.words[i], what);  in UnexportVars()
1011 	SubstringWords_Free(words);  in UnexportVars()
1751 	SubstringWords words;  in VarSelectWords()  local
1760 		words.len = 1;  in VarSelectWords()
1761 		words.words = bmake_malloc(sizeof(words.words[0]));  in VarSelectWords()
1762 		words.freeIt = NULL;  in VarSelectWords()
1763 		words.words[0] = Substring_InitStr(str); /* no need to copy */  in VarSelectWords()
1765 		words = Substring_Words(str, false);  in VarSelectWords()
1769 	len = (int)words.len;  in VarSelectWords()
1786 		SepBuf_AddSubstring(&buf, words.words[i]);  in VarSelectWords()
1790 	SubstringWords_Free(words);  in VarSelectWords()
1813 SubstringWords_JoinFree(SubstringWords words)  in SubstringWords_JoinFree()  argument
1820 	for (i = 0; i < words.len; i++) {  in SubstringWords_JoinFree()
1827 		Buf_AddRange(&buf, words.words[i].start, words.words[i].end);  in SubstringWords_JoinFree()
1830 	SubstringWords_Free(words);  in SubstringWords_JoinFree()
2379 	SubstringWords words;  in ModifyWords()  local
2394 	words = Substring_Words(val, false);  in ModifyWords()
2397 	    val, (unsigned)words.len, words.len != 1 ? "words" : "word");  in ModifyWords()
2400 	for (i = 0; i < words.len; i++) {  in ModifyWords()
2401 		modifyWord(words.words[i], &result, modifyWord_args);  in ModifyWords()
2406 	SubstringWords_Free(words);  in ModifyWords()
2720 		SubstringWords words = Expr_Words(ch->expr);  in ApplyModifier_Range()  local
2721 		n = words.len;  in ApplyModifier_Range()
2722 		SubstringWords_Free(words);  in ApplyModifier_Range()
3295 			SubstringWords words = Expr_Words(expr);  in ApplyModifier_Words()  local
3296 			size_t ac = words.len;  in ApplyModifier_Words()
3297 			SubstringWords_Free(words);  in ApplyModifier_Words()
3447 	SubstringWords words;  in ApplyModifier_Order()  local
3476 	words = Expr_Words(ch->expr);  in ApplyModifier_Order()
3478 		ShuffleSubstrings(words.words, words.len);  in ApplyModifier_Order()
3480 		assert(words.words[0].end[0] == '\0');  in ApplyModifier_Order()
3481 		qsort(words.words, words.len, sizeof(words.words[0]), cmp);  in ApplyModifier_Order()
3483 	Expr_SetValueOwn(ch->expr, SubstringWords_JoinFree(words));  in ApplyModifier_Order()
3695 	SubstringWords words;  in ApplyModifier_Unique()  local
3704 	words = Expr_Words(ch->expr);  in ApplyModifier_Unique()
3706 	if (words.len > 1) {  in ApplyModifier_Unique()
3708 		for (di = 0, si = 1; si < words.len; si++)  in ApplyModifier_Unique()
3709 			if (!Substring_Eq(words.words[di], words.words[si]))  in ApplyModifier_Unique()
3710 				words.words[++di] = words.words[si];  in ApplyModifier_Unique()
3711 		words.len = di + 1;  in ApplyModifier_Unique()
3714 	Expr_SetValueOwn(ch->expr, SubstringWords_JoinFree(words));  in ApplyModifier_Unique()