165 	    if (*p == '^' && p[1] != NUL)  in buf_init_chartab()
177 	    if (*p == '-' && p[1] != NUL)  in buf_init_chartab()
188 						 || !(*p == NUL || *p == ','))  in buf_init_chartab()
265 	    if (c == ',' && *p == NUL)  in buf_init_chartab()
332 	while (*p != NUL)  in transstr()
361 	*res = NUL;  in transstr()
363 	while (*p != NUL)  in transstr()
419 	GA_CHAR(len) = NUL;  in str_foldcase()
421 	buf[len] = NUL;  in str_foldcase()
425     while (STR_CHAR(i) != NUL)  in str_foldcase()
532 	transchar_charbuf[i + 1] = NUL;  in transchar_buf()
563 	c = NUL;		// we use newline in place of a NUL  in transchar_nonprint()
587 	charbuf[2] = NUL;  in transchar_nonprint()
598 	charbuf[2] = NUL;  in transchar_nonprint()
605 	charbuf[2] = NUL;  in transchar_nonprint()
620 	charbuf[2] = NUL;  in transchar_nonprint()
638     buf[++i] = NUL;  in transchar_hex()
730     while (*s != NUL && --len >= 0)  in vim_strnsize()
805     while (*s != NUL)  in linetabsize_col()
819     for (s = line; *s != NUL && (len == MAXCOL || s < line + len);  in win_linetabsize()
911     buf[1] = NUL;  in vim_isfilec_or_wc()
952     if (!curwin->w_p_lbr && *get_showbreak_value(curwin) == NUL  in lbr_chartabsize()
1013     if (!wp->w_p_lbr && !wp->w_p_bri && *get_showbreak_value(wp) == NUL)  in win_lbr_chartabsize()
1060 	    if (!(c != NUL  in win_lbr_chartabsize()
1088     if ((*sbr != NUL || wp->w_p_bri) && wp->w_p_wrap && col != 0)  in win_lbr_chartabsize()
1101 	    if (*sbr != NUL)  in win_lbr_chartabsize()
1117 	    if (*sbr != NUL)  in win_lbr_chartabsize()
1245 	if (*ptr == NUL)  in getvcol()
1259     if ((!wp->w_p_list || wp->w_lcs_chars.tab1 != NUL)  in getvcol()
1261 	    && !wp->w_p_lbr && *get_showbreak_value(wp) == NUL && !wp->w_p_bri  in getvcol()
1270 	    if (c == NUL)  in getvcol()
1322 	    if (*ptr == NUL)  in getvcol()
1539     while (*p != NUL && !vim_isbdigit(*p))	// skip to next digit  in skiptobin()
1552     while (*p != NUL && !VIM_ISDIGIT(*p))	// skip to next digit  in skiptodigit()
1565     while (*p != NUL && !vim_isxdigit(*p))	// skip to next digit  in skiptohex()
1730     while (*p != ' ' && *p != '\t' && *p != NUL)  in skiptowhite()
1741     while (*p != ' ' && *p != '\t' && *p != NUL)  in skiptowhite_esc()
1743 	if ((*p == '\\' || *p == Ctrl_V) && *(p + 1) != NUL)  in skiptowhite_esc()
1778     return (*p == NUL || *p == '\r' || *p == '\n');  in vim_isblankline()
2048 		|| (str[1] != NUL  in rem_backslash()
2053     return (str[0] == '\\' && str[1] != NUL);  in rem_backslash()