48 	p[len] = NUL;  in vim_strnsave()
113 	*p2 = NUL;  in vim_strsave_escaped_ext()
185     for (p = string; *p != NUL; MB_PTR_ADV(p))  in vim_strsave_shellescape()
232 	for (p = string; *p != NUL; )  in vim_strsave_shellescape()
297 	*d = NUL;  in vim_strsave_shellescape()
344 	while ((c = *p2) != NUL)  in vim_strup()
368 	while (*p != NUL)  in strup_save()
435 	while (*p != NUL)  in strlow_save()
499 	*q = NUL;  in del_trailing_spaces()
510     to[len] = NUL;  in vim_strncpy()
526 	to[tosize - 1] = NUL;  in vim_strcat()
548 	if (*s1 == NUL)  in vim_stricmp()
573 	if (*s1 == NUL)  in vim_strnicmp()
598 	while (*p != NUL)  in vim_strchr()
614 	while ((b = *p) != NUL)  in vim_strchr()
624 	while ((b = *p) != NUL)  in vim_strchr()
632     while ((b = *p) != NUL)  in vim_strchr()
651     while (*p != NUL)  in vim_strbyte()
736 	for (p = s; *p != NUL; ++p)  in has_non_ascii()
757 	    *dest = NUL;  in concat_str()
783 	for (p = str; *p != NUL; MB_PTR_ADV(p))  in string_quote()
798 	    for (p = str; *p != NUL; )  in string_quote()
807 	*r++ = NUL;  in string_quote()
834 	if (*t == NUL)		// EOL reached  in byteidx()
912 	if (*p == NUL)  in f_charidx()
958 	for ( ; *p != NUL; p += (*ptr2len)(p))  in f_str2list()
962 	for ( ; *p != NUL; ++p)  in f_str2list()
1135     while (*s != NUL)  in strchar_common()
1403     if (*needle == NUL)  in f_strridx()
1513     while (*in_str != NUL)  in f_tr()
1521 	    for (p = fromstr; *p != NUL; p += fromlen)  in f_tr()
1526 		    for (p = tostr; *p != NUL; p += tolen)  in f_tr()
1536 		    if (*p == NUL)	// tostr is shorter than fromstr  in f_tr()
1549 		for (p = tostr; *p != NUL; p += tolen)  in f_tr()
1578     ga_append(&ga, NUL);  in f_tr()
1642 	while (*head != NUL)  in f_trim()
1652 		for (p = mask; *p != NUL; MB_PTR_ADV(p))  in f_trim()
1655 		if (*p == NUL)  in f_trim()
1678 		for (p = mask; *p != NUL; MB_PTR_ADV(p))  in f_trim()
1681 		if (*p == NUL)  in f_trim()
1896     while (*p != NUL)  in vim_vsnprintf_typval()
2576 			    format[l + 1] = NUL;  in vim_vsnprintf_typval()
2668 		if (*p != NUL)  in vim_vsnprintf_typval()
2674 	    if (*p != NUL)  in vim_vsnprintf_typval()