Lines Matching refs:NUL
52 || (*arg == '|' && arg[1] != NUL && arg[1] != '|')) in ex_help()
54 *arg++ = NUL; in ex_help()
61 if (eap->forceit && *arg == NUL && !curbuf->b_help) in ex_help()
76 *p-- = NUL; in ex_help()
84 if (*arg == NUL) in ex_help()
236 arg[len - 3] = NUL; // remove the '@' in check_help_lang()
284 if (matched_string[0] == '+' && matched_string[1] != NUL) in help_heuristic()
377 d[0] = NUL; in find_help_tags()
394 if (arg[si] == NUL) in find_help_tags()
413 if (d[0] == NUL) // no match in table in find_help_tags()
421 && ((arg[1] != NUL && arg[2] == NUL) in find_help_tags()
423 && arg[2] != NUL))) in find_help_tags()
495 if (s[1] != NUL && s[1] != '_') in find_help_tags()
532 *d = NUL; in find_help_tags()
540 d[-2] = NUL; in find_help_tags()
546 d[-3] = NUL; in find_help_tags()
553 d[-4] = NUL; in find_help_tags()
592 if (p_hlg[0] != NUL && (p_hlg[0] != 'e' || p_hlg[1] != 'n')) in cleanup_help_tags()
598 *p = NUL; in cleanup_help_tags()
615 file[i][len] = NUL; in cleanup_help_tags()
619 if (*buf != NUL) in cleanup_help_tags()
628 file[i][len] = NUL; in cleanup_help_tags()
772 && fname[8] == NUL) in fix_help_buffer()
785 while (*p != NUL) in fix_help_buffer()
871 while (*s != NUL) in fix_help_buffer()
874 *s = NUL; in fix_help_buffer()
1044 for (s = IObuff; *s != NUL; ++s) in helptags_one()
1138 *p2 = NUL; in helptags_one()
1262 fname[4] = NUL; in do_helptags()