172     int		use_camel_case = *wp->w_s->b_p_spo != NUL;  in spell_check()
224 	} while (*mi.mi_fend != NUL && spell_iswordp(mi.mi_fend, wp)  in spell_check()
249     if (*mi.mi_fend != NUL)  in spell_check()
469 	if (flen <= 0 && *mip->mi_fend != NUL)  in find_word()
500 	if (ptr[wlen] == NUL)  in find_word()
538 		if (flen <= 0 && *mip->mi_fend != NUL)  in find_word()
730 		mip->mi_compflags[mip->mi_complen + 1] = NUL;  in find_word()
951 	for (i = 0; flags[i] != NUL; ++i)  in can_compound()
953 	*p = NUL;  in can_compound()
984     for (p = slang->sl_comprules; *p != NUL; ++p)  in match_compoundrule()
991 	    if (c == NUL)  in match_compoundrule()
994 	    if (*p == '/' || *p == NUL)  in match_compoundrule()
1002 		while (*p != ']' && *p != NUL)  in match_compoundrule()
1121 	if (flen == 0 && *mip->mi_fend != NUL)  in find_prefix()
1165 	if (ptr[wlen] == NUL)  in find_prefix()
1211     while (*mip->mi_fend != NUL && spell_iswordp(mip->mi_fend, mip->mi_win));  in fold_more()
1214     if (*mip->mi_fend != NUL)  in fold_more()
1246     if (!wp->w_p_spell || *wp->w_s->b_p_spl == NUL  in no_spell_checking()
1491 	    if (*skipwhite(line) == NUL)  in spell_move_to()
1518     if (*p != NUL)  in spell_cat_line()
1575 	if (r == FAIL && *sl.sl_lang != NUL)  in spell_load_lang()
1587 	    if (r == FAIL && *sl.sl_lang != NUL && round == 1  in spell_load_lang()
1760     lp->sl_regions[0] = NUL;  in slang_clear()
1857     for (p = str; *p != NUL; ++p)  in byte_in_str()
1886 	*p++ = NUL;  in init_syl_tab()
1887 	if (*p == NUL)	    // trailing slash  in init_syl_tab()
1926     for (p = word; *p != NUL; p += len)  in count_syllables()
2019     for (splp = spl_copy; *splp != NUL; )  in did_set_spelllang()
2066 		lang[len] = NUL;  in did_set_spelllang()
2121 			    if (*slang->sl_regions != NUL)  in did_set_spelllang()
2158     for (round = 0; round == 0 || *spf != NUL; ++round)  in did_set_spelllang()
2202 		    *p = NUL;	// truncate at ".encoding.add"  in did_set_spelllang()
2220 		else if (*slang->sl_regions != NUL)  in did_set_spelllang()
2314     for (p = lp->sl_midword; *p != NUL; )  in use_midword()
2357 	if (rp[i] == NUL)  in find_region()
2385 	if (end == NULL ? *p == NUL : p >= end)  in captype()
2397     for ( ; end == NULL ? *p != NUL : p < end; MB_PTR_ADV(p))  in captype()
2484 	if (*wp->w_s->b_p_spl != NUL)  in spell_reload()
2751 	buf[0] = NUL;  in spell_casefold()
2766 		buf[outi] = NUL;  in spell_casefold()
2786 	buf[outi] = NUL;  in spell_casefold()
2793 	buf[i] = NUL;  in spell_casefold()
2827 	    if (*skipwhite(line) == NUL)  in check_need_cap()
2985     for (s = word; *s != NUL; )  in allcap_copy()
3017     *d = NUL;  in allcap_copy()
3066     if (curwin->w_p_spell && *curwin->w_s->b_p_spl != NUL)  in eval_soundfold()
3146 	for (s = inword; *s != NUL; )  in spell_soundfold_sofo()
3157 		    c = NUL;  in spell_soundfold_sofo()
3163 			    c = NUL;  in spell_soundfold_sofo()
3175 	    if (c != NUL && c != prevc)  in spell_soundfold_sofo()
3187 	for (s = inword; (c = *s) != NUL; ++s)  in spell_soundfold_sofo()
3193 	    if (c != NUL && (ri == 0 || res[ri - 1] != c))  in spell_soundfold_sofo()
3198     res[ri] = NUL;  in spell_soundfold_sofo()
3225 	while (*s != NUL)  in spell_soundfold_sal()
3239 	*t = NUL;  in spell_soundfold_sal()
3251     while ((c = word[i]) != NUL)  in spell_soundfold_sal()
3282 		    while (*pf != NUL && *pf != word[i + k])  in spell_soundfold_sal()
3284 		    if (*pf == NUL)  in spell_soundfold_sal()
3309 		if (*s == NUL  in spell_soundfold_sal()
3325 					   && p0 != '-' && word[i + k] != NUL)  in spell_soundfold_sal()
3353 				while (*pf != NUL && *pf != word[i + k0])  in spell_soundfold_sal()
3355 				if (*pf == NUL)  in spell_soundfold_sal()
3376 			    if (*s == NUL  in spell_soundfold_sal()
3407 			if (reslen > 0 && *s != NUL && (res[reslen - 1] == c  in spell_soundfold_sal()
3413 			while (*s != NUL && word[i + k0] != NUL)  in spell_soundfold_sal()
3430 			while (*s != NUL && s[1] != NUL && reslen < MAXWLEN)  in spell_soundfold_sal()
3440 			    if (c != NUL)  in spell_soundfold_sal()
3459 	    if (k && !p0 && reslen < MAXWLEN && c != NUL  in spell_soundfold_sal()
3471     res[reslen] = NUL;  in spell_soundfold_sal()
3509     for (s = inword; *s != NUL; )  in spell_soundfold_wsal()
3531     word[wordlen] = NUL;  in spell_soundfold_wsal()
3539     while ((c = word[i]) != NUL)  in spell_soundfold_wsal()
3551 							 && ws[0] != NUL; ++n)  in spell_soundfold_wsal()
3575 		    while (*pf != NUL && *pf != word[i + k])  in spell_soundfold_wsal()
3577 		    if (*pf == NUL)  in spell_soundfold_wsal()
3602 		if (*s == NUL  in spell_soundfold_wsal()
3618 					   && p0 != '-' && word[i + k] != NUL)  in spell_soundfold_wsal()
3649 				while (*pf != NUL && *pf != word[i + k0])  in spell_soundfold_wsal()
3651 				if (*pf == NUL)  in spell_soundfold_wsal()
3672 			    if (*s == NUL  in spell_soundfold_wsal()
3702 			if (reslen > 0 && ws != NULL && *ws != NUL  in spell_soundfold_wsal()
3710 			    while (*ws != NUL && word[i + k0] != NUL)  in spell_soundfold_wsal()
3729 			    while (*ws != NUL && ws[1] != NUL  in spell_soundfold_wsal()
3738 			    c = NUL;  in spell_soundfold_wsal()
3743 			    if (c != NUL)  in spell_soundfold_wsal()
3763 	    if (k && !p0 && reslen < MAXWLEN && c != NUL  in spell_soundfold_wsal()
3783     res[l] = NUL;  in spell_soundfold_wsal()
4008 			    word[depth] = NUL;  in spell_dump_compl()
4267     while (*p != NUL && spell_iswordp(p, win))  in spell_to_word_end()
4359     for (s = val; *s != NUL; ++s)  in valid_spellfile()
4406     if (synblock->b_p_spc == NULL || *synblock->b_p_spc == NUL)  in compile_cap_prog()