error() is not a stdarg function, so there is no reason for NULL_PARG

to be special.  Simply use NULL.

17 files changed, 76 insertions, 78 deletions

diff --git a/usr.bin/less/brac.c b/usr.bin/less/brac.c
index 1a8ce4691ef..b27ea6162f5 100644
--- a/usr.bin/less/brac.c
+++ b/usr.bin/less/brac.c
@@ -40,9 +40,9 @@ match_brac(int obrac, int cbrac, int forwdir, int n)
 	pos = position((forwdir) ? TOP : BOTTOM);
 	if (pos == -1 || ch_seek(pos)) {
 		if (forwdir)
-			error("Nothing in top line", NULL_PARG);
+			error("Nothing in top line", NULL);
 		else
-			error("Nothing in bottom line", NULL_PARG);
+			error("Nothing in bottom line", NULL);
 		return;
 	}
 
@@ -52,9 +52,9 @@ match_brac(int obrac, int cbrac, int forwdir, int n)
 	do {
 		if ((c = ch_forw_get()) == '\n' || c == EOI) {
 			if (forwdir)
-				error("No bracket in top line", NULL_PARG);
+				error("No bracket in top line", NULL);
 			else
-				error("No bracket in bottom line", NULL_PARG);
+				error("No bracket in bottom line", NULL);
 			return;
 		}
 	} while (c != obrac || --n > 0);
@@ -86,5 +86,5 @@ match_brac(int obrac, int cbrac, int forwdir, int n)
 			return;
 		}
 	}
-	error("No matching bracket", NULL_PARG);
+	error("No matching bracket", NULL);
 }
diff --git a/usr.bin/less/ch.c b/usr.bin/less/ch.c
index 38a502a233c..547345896d8 100644
--- a/usr.bin/less/ch.c
+++ b/usr.bin/less/ch.c
@@ -227,7 +227,7 @@ read_more:
 		if (!(ch_flags & CH_CANSEEK))
 			return ('?');
 		if (lseek(ch_file, (off_t)pos, SEEK_SET) == BAD_LSEEK) {
-			error("seek error", NULL_PARG);
+			error("seek error", NULL);
 			clear_eol();
 			return (EOI);
 		}
@@ -251,7 +251,7 @@ read_more:
 	if (n == READ_INTR)
 		return (EOI);
 	if (n < 0) {
-		error("read error", NULL_PARG);
+		error("read error", NULL);
 		clear_eol();
 		n = 0;
 	}
@@ -341,7 +341,7 @@ void
 ch_ungetchar(int c)
 {
 	if (c != -1 && ch_ungotchar != -1)
-		error("ch_ungetchar overrun", NULL_PARG);
+		error("ch_ungetchar overrun", NULL);
 	ch_ungotchar = c;
 }
 
@@ -358,7 +358,7 @@ end_logfile(void)
 		return;
 	if (!tried && ch_fsize == -1) {
 		tried = TRUE;
-		ierror("Finishing logfile", NULL_PARG);
+		ierror("Finishing logfile", NULL);
 		while (ch_forw_get() != EOI)
 			if (ABORT_SIGS())
 				break;
@@ -395,7 +395,7 @@ sync_logfile(void)
 			}
 		}
 		if (!wrote && !warned) {
-			error("Warning: log file is incomplete", NULL_PARG);
+			error("Warning: log file is incomplete", NULL);
 			warned = TRUE;
 		}
 	}
@@ -661,7 +661,7 @@ ch_flush(void)
 		 * there's a good chance we're at the beginning anyway.
 		 * {{ I think this is bogus reasoning. }}
 		 */
-		error("seek error to 0", NULL_PARG);
+		error("seek error to 0", NULL);
 	}
 }
 
diff --git a/usr.bin/less/command.c b/usr.bin/less/command.c
index 25ec46e23c7..c60c0b23f25 100644
--- a/usr.bin/less/command.c
+++ b/usr.bin/less/command.c
@@ -227,11 +227,11 @@ exec_mca(void)
 		/* POSIX behavior - probably not generally useful */
 		if (less_is_more && (strcmp(cbuf, "#") == 0)) {
 			if (ntags()) {
-				error("No previous file", NULL_PARG);
+				error("No previous file", NULL);
 				break;
 			}
 			if (edit_prev(1)) {
-				error("No previous file", NULL_PARG);
+				error("No previous file", NULL);
 			} else {
 				jump_back(1);
 			}
@@ -245,7 +245,7 @@ exec_mca(void)
 		if (secure)
 			break;
 		(void) pipe_mark(pipec, cbuf);
-		error("|done", NULL_PARG);
+		error("|done", NULL);
 		break;
 	}
 }
@@ -857,7 +857,7 @@ multi_search(char *pattern, int n)
 	 * Print an error message if we haven't already.
 	 */
 	if (n > 0)
-		error("Pattern not found", NULL_PARG);
+		error("Pattern not found", NULL);
 
 	if (changed_file) {
 		/*
@@ -1375,7 +1375,7 @@ again:
 				error(less_is_more
 				    ? "Invalid option -p h"
 				    : "Invalid option ++h",
-				    NULL_PARG);
+				    NULL);
 				break;
 			}
 			cmd_exec();
@@ -1389,7 +1389,7 @@ again:
 			 * Edit a new file.  Get the filename.
 			 */
 			if (secure) {
-				error("Command not available", NULL_PARG);
+				error("Command not available", NULL);
 				break;
 			}
 			start_mca(A_EXAMINE, "Examine: ", ml_examine, 0);
@@ -1401,18 +1401,18 @@ again:
 			 * Invoke an editor on the input file.
 			 */
 			if (secure) {
-				error("Command not available", NULL_PARG);
+				error("Command not available", NULL);
 				break;
 			}
 			if (ch_getflags() & CH_HELPFILE)
 				break;
 			if (strcmp(get_filename(curr_ifile), "-") == 0) {
-				error("Cannot edit standard input", NULL_PARG);
+				error("Cannot edit standard input", NULL);
 				break;
 			}
 			if (curr_altfilename != NULL) {
 				error("WARNING: This file was viewed via "
-				    "LESSOPEN", NULL_PARG);
+				    "LESSOPEN", NULL);
 			}
 			/*
 			 * Expand the editor prototype string
@@ -1430,7 +1430,7 @@ again:
 			 * Examine next file.
 			 */
 			if (ntags()) {
-				error("No next file", NULL_PARG);
+				error("No next file", NULL);
 				break;
 			}
 			if (number <= 0)
@@ -1449,7 +1449,7 @@ again:
 			 * Examine previous file.
 			 */
 			if (ntags()) {
-				error("No previous file", NULL_PARG);
+				error("No previous file", NULL);
 				break;
 			}
 			if (number <= 0)
@@ -1465,7 +1465,7 @@ again:
 				number = 1;
 			tagfile = nexttag((int)number);
 			if (tagfile == NULL) {
-				error("No next tag", NULL_PARG);
+				error("No next tag", NULL);
 				break;
 			}
 			if (edit(tagfile) == 0) {
@@ -1480,7 +1480,7 @@ again:
 				number = 1;
 			tagfile = prevtag((int)number);
 			if (tagfile == NULL) {
-				error("No previous tag", NULL_PARG);
+				error("No previous tag", NULL);
 				break;
 			}
 			if (edit(tagfile) == 0) {
@@ -1497,7 +1497,7 @@ again:
 			if (number <= 0)
 				number = 1;
 			if (edit_index((int)number))
-				error("No such file", NULL_PARG);
+				error("No such file", NULL);
 			break;
 
 		case A_REMOVE_FILE:
@@ -1570,7 +1570,7 @@ again:
 
 		case A_PIPE:
 			if (secure) {
-				error("Command not available", NULL_PARG);
+				error("Command not available", NULL);
 				break;
 			}
 			start_mca(A_PIPE, "|mark: ", (void*)NULL, 0);
diff --git a/usr.bin/less/decode.c b/usr.bin/less/decode.c
index e1ea0d56119..a03c65606e6 100644
--- a/usr.bin/less/decode.c
+++ b/usr.bin/less/decode.c
@@ -345,7 +345,7 @@ void
 add_fcmd_table(char *buf, int len)
 {
 	if (add_cmd_table(&list_fcmd_tables, buf, len) < 0)
-		error("Warning: some commands disabled", NULL_PARG);
+		error("Warning: some commands disabled", NULL);
 }
 
 /*
@@ -355,7 +355,7 @@ void
 add_ecmd_table(char *buf, int len)
 {
 	if (add_cmd_table(&list_ecmd_tables, buf, len) < 0)
-		error("Warning: some edit commands disabled", NULL_PARG);
+		error("Warning: some edit commands disabled", NULL);
 }
 
 /*
@@ -366,7 +366,7 @@ add_var_table(struct tablelist **tlist, char *buf, int len)
 {
 	if (add_cmd_table(tlist, buf, len) < 0)
 		error("Warning: environment variables from "
-		    "lesskey file unavailable", NULL_PARG);
+		    "lesskey file unavailable", NULL);
 }
 
 /*
diff --git a/usr.bin/less/edit.c b/usr.bin/less/edit.c
index 7df69297c74..9cdbcd6e4f0 100644
--- a/usr.bin/less/edit.c
+++ b/usr.bin/less/edit.c
@@ -605,10 +605,10 @@ edit_stdin(void)
 	if (isatty(fd0)) {
 		if (less_is_more) {
 			error("Missing filename (\"more -h\" for help)",
-			    NULL_PARG);
+			    NULL);
 		} else {
 			error("Missing filename (\"less --help\" for help)",
-			    NULL_PARG);
+			    NULL);
 		}
 		quit(QUIT_OK);
 	}
@@ -705,7 +705,7 @@ loop:
 		 * Eh?
 		 */
 		answer = query("Overwrite, Append, or Don't log? "
-		    "(Type \"O\", \"A\", \"D\" or \"q\") ", NULL_PARG);
+		    "(Type \"O\", \"A\", \"D\" or \"q\") ", NULL);
 		goto loop;
 	}
 
diff --git a/usr.bin/less/filename.c b/usr.bin/less/filename.c
index 86ea1150cec..43548aed45e 100644
--- a/usr.bin/less/filename.c
+++ b/usr.bin/less/filename.c
@@ -611,7 +611,7 @@ open_altfile(char *filename, int *pf, void **pfd)
 	}
 
 	if ((cmd = expand_pct_s(lessopen, filename, NULL)) == NULL) {
-		error("Invalid LESSOPEN variable", NULL_PARG);
+		error("Invalid LESSOPEN variable", NULL);
 		return (NULL);
 	}
 	fd = shellcmd(cmd);
@@ -681,7 +681,7 @@ close_altfile(char *altfilename, char *filename, void *pipefd)
 		return;
 	cmd = expand_pct_s(lessclose, filename, altfilename, NULL);
 	if (cmd == NULL) {
-		error("Invalid LESSCLOSE variable", NULL_PARG);
+		error("Invalid LESSCLOSE variable", NULL);
 		return;
 	}
 	fd = shellcmd(cmd);
diff --git a/usr.bin/less/jump.c b/usr.bin/less/jump.c
index f0dd5d273d9..c6873c8ecbf 100644
--- a/usr.bin/less/jump.c
+++ b/usr.bin/less/jump.c
@@ -33,7 +33,7 @@ jump_forw(void)
 	off_t end_pos;
 
 	if (ch_end_seek()) {
-		error("Cannot seek to end of file", NULL_PARG);
+		error("Cannot seek to end of file", NULL);
 		return;
 	}
 	/*
@@ -81,7 +81,7 @@ jump_back(LINENUM linenum)
 		jump_loc(pos, jump_sline);
 	} else if (linenum <= 1 && ch_beg_seek() == 0) {
 		jump_loc(ch_tell(), jump_sline);
-		error("Cannot seek to beginning of file", NULL_PARG);
+		error("Cannot seek to beginning of file", NULL);
 	} else {
 		parg.p_linenum = linenum;
 		error("Cannot seek to line number %n", &parg);
@@ -117,11 +117,11 @@ jump_percent(int percent, long fraction)
 	 * (the specified percentage of the file's length).
 	 */
 	if ((len = ch_length()) == -1) {
-		ierror("Determining length of file", NULL_PARG);
+		ierror("Determining length of file", NULL);
 		ch_end_seek();
 	}
 	if ((len = ch_length()) == -1) {
-		error("Don't know length of file", NULL_PARG);
+		error("Don't know length of file", NULL);
 		return;
 	}
 	pos = percent_pos(len, percent, fraction);
@@ -193,7 +193,7 @@ jump_loc(off_t pos, int sline)
 	 * Seek to the desired location.
 	 */
 	if (ch_seek(pos)) {
-		error("Cannot seek to that file position", NULL_PARG);
+		error("Cannot seek to that file position", NULL);
 		return;
 	}
 
diff --git a/usr.bin/less/less.h b/usr.bin/less/less.h
index c58e591e183..d76542b2ac6 100644
--- a/usr.bin/less/less.h
+++ b/usr.bin/less/less.h
@@ -115,8 +115,6 @@ typedef union parg {
 	LINENUM p_linenum;
 } PARG;
 
-#define	NULL_PARG	((PARG *)NULL)
-
 struct textlist {
 	char *string;
 	char *endstring;
diff --git a/usr.bin/less/linenum.c b/usr.bin/less/linenum.c
index e3c4e592601..8d79fa0bd3e 100644
--- a/usr.bin/less/linenum.c
+++ b/usr.bin/less/linenum.c
@@ -203,7 +203,7 @@ add_lnum(LINENUM linenum, off_t pos)
 static void
 longloopmessage(void)
 {
-	ierror("Calculating line numbers", NULL_PARG);
+	ierror("Calculating line numbers", NULL);
 }
 
 static int loopcount;
@@ -234,7 +234,7 @@ abort_long(void)
 		 */
 		screen_trashed = 1;
 	linenums = 0;
-	error("Line numbers turned off", NULL_PARG);
+	error("Line numbers turned off", NULL);
 }
 
 /*
diff --git a/usr.bin/less/lsystem.c b/usr.bin/less/lsystem.c
index 19ff2aeaf4e..1dae8d688cb 100644
--- a/usr.bin/less/lsystem.c
+++ b/usr.bin/less/lsystem.c
@@ -193,12 +193,12 @@ pipe_data(char *cmd, off_t spos, off_t epos)
 	 * the command, and reinitialization after it.
 	 */
 	if (ch_seek(spos) != 0) {
-		error("Cannot seek to start position", NULL_PARG);
+		error("Cannot seek to start position", NULL);
 		return (-1);
 	}
 
 	if ((f = popen(cmd, "w")) == NULL) {
-		error("Cannot create pipe", NULL_PARG);
+		error("Cannot create pipe", NULL);
 		return (-1);
 	}
 	clear_bot();
diff --git a/usr.bin/less/main.c b/usr.bin/less/main.c
index 341608edf0d..0597ad13399 100644
--- a/usr.bin/less/main.c
+++ b/usr.bin/less/main.c
@@ -218,7 +218,7 @@ main(int argc, char *argv[])
 	}
 
 	if (missing_cap && !know_dumb)
-		error("WARNING: terminal is not fully functional", NULL_PARG);
+		error("WARNING: terminal is not fully functional", NULL);
 	init_mark();
 	open_getchr();
 
@@ -240,7 +240,7 @@ main(int argc, char *argv[])
 		 * and search for the proper line in the file.
 		 */
 		if (nifile() > 0) {
-			error("No filenames allowed with -t option", NULL_PARG);
+			error("No filenames allowed with -t option", NULL);
 			quit(QUIT_ERROR);
 		}
 		findtag(tagoption);
@@ -281,7 +281,7 @@ ecalloc(int count, unsigned int size)
 	p = calloc(count, size);
 	if (p != NULL)
 		return (p);
-	error("Cannot allocate memory", NULL_PARG);
+	error("Cannot allocate memory", NULL);
 	quit(QUIT_ERROR);
 	/*NOTREACHED*/
 	return (NULL);
@@ -299,7 +299,7 @@ easprintf(const char *fmt, ...)
 	va_end(ap);
 
 	if (p == NULL || rv < 0) {
-		error("Cannot allocate memory", NULL_PARG);
+		error("Cannot allocate memory", NULL);
 		quit(QUIT_ERROR);
 		/*NOTREACHED*/
 	}
@@ -313,7 +313,7 @@ estrdup(const char *str)
 	
 	n = strdup(str);
 	if (n == NULL) {
-		error("Cannot allocate memory", NULL_PARG);
+		error("Cannot allocate memory", NULL);
 		quit(QUIT_ERROR);
 	}
 	return (n);
diff --git a/usr.bin/less/mark.c b/usr.bin/less/mark.c
index 2794a5cd82e..057f19bd942 100644
--- a/usr.bin/less/mark.c
+++ b/usr.bin/less/mark.c
@@ -56,7 +56,7 @@ getumark(int c)
 	if (c >= 'A' && c <= 'Z')
 		return (&marks[c-'A'+26]);
 
-	error("Invalid mark letter", NULL_PARG);
+	error("Invalid mark letter", NULL);
 	return (NULL);
 }
 
@@ -86,7 +86,7 @@ getmark(int c)
 		 * End of the current file.
 		 */
 		if (ch_end_seek()) {
-			error("Cannot seek to end of file", NULL_PARG);
+			error("Cannot seek to end of file", NULL);
 			return (NULL);
 		}
 		m = &sm;
@@ -116,7 +116,7 @@ getmark(int c)
 		if (m == NULL)
 			break;
 		if (m->m_scrpos.pos == -1) {
-			error("Mark not set", NULL_PARG);
+			error("Mark not set", NULL);
 			return (NULL);
 		}
 		break;
@@ -225,7 +225,7 @@ markpos(int c)
 		return (-1);
 
 	if (m->m_ifile != curr_ifile) {
-		error("Mark not in current file", NULL_PARG);
+		error("Mark not in current file", NULL);
 		return (-1);
 	}
 	return (m->m_scrpos.pos);
diff --git a/usr.bin/less/optfunc.c b/usr.bin/less/optfunc.c
index d522f6424e8..b8e4e2c31ba 100644
--- a/usr.bin/less/optfunc.c
+++ b/usr.bin/less/optfunc.c
@@ -66,7 +66,7 @@ opt_o(int type, char *s)
 	PARG parg;
 
 	if (secure) {
-		error("log file support is not available", NULL_PARG);
+		error("log file support is not available", NULL);
 		return;
 	}
 	switch (type) {
@@ -75,11 +75,11 @@ opt_o(int type, char *s)
 		break;
 	case TOGGLE:
 		if (ch_getflags() & CH_CANSEEK) {
-			error("Input is not a pipe", NULL_PARG);
+			error("Input is not a pipe", NULL);
 			return;
 		}
 		if (logfile >= 0) {
-			error("Log file is already in use", NULL_PARG);
+			error("Log file is already in use", NULL);
 			return;
 		}
 		s = skipsp(s);
@@ -89,7 +89,7 @@ opt_o(int type, char *s)
 		break;
 	case QUERY:
 		if (logfile < 0) {
-			error("No log file", NULL_PARG);
+			error("No log file", NULL);
 		} else {
 			parg.p_string = namelogfile;
 			error("Log file \"%s\"", &parg);
@@ -126,13 +126,13 @@ opt_j(int type, char *s)
 			s++;
 			jump_sline_fraction = getfraction(&s, "j", &err);
 			if (err)
-				error("Invalid line fraction", NULL_PARG);
+				error("Invalid line fraction", NULL);
 			else
 				calc_jump_sline();
 		} else {
 			int sline = getnum(&s, "j", &err);
 			if (err) {
-				error("Invalid line number", NULL_PARG);
+				error("Invalid line number", NULL);
 			} else {
 				jump_sline = sline;
 				jump_sline_fraction = -1;
@@ -183,13 +183,13 @@ opt_shift(int type, char *s)
 			s++;
 			shift_count_fraction = getfraction(&s, "#", &err);
 			if (err)
-				error("Invalid column fraction", NULL_PARG);
+				error("Invalid column fraction", NULL);
 			else
 				calc_shift_count();
 		} else {
 			int hs = getnum(&s, "#", &err);
 			if (err) {
-				error("Invalid column number", NULL_PARG);
+				error("Invalid column number", NULL);
 			} else {
 				shift_count = hs;
 				shift_count_fraction = -1;
@@ -254,7 +254,7 @@ opt_t(int type, char *s)
 		break;
 	case TOGGLE:
 		if (secure) {
-			error("tags support is not available", NULL_PARG);
+			error("tags support is not available", NULL);
 			break;
 		}
 		findtag(skipsp(s));
@@ -501,7 +501,7 @@ opt_quote(int type, char *s)
 		}
 		if (s[1] != '\0' && s[2] != '\0') {
 			error("-\" must be followed by 1 or 2 chars",
-			    NULL_PARG);
+			    NULL);
 			return;
 		}
 		openquote = s[0];
@@ -531,7 +531,7 @@ opt_query(int type, char *s)
 	switch (type) {
 	case QUERY:
 	case TOGGLE:
-		error("Use \"h\" for help", NULL_PARG);
+		error("Use \"h\" for help", NULL);
 		break;
 	case INIT:
 		dohelp = 1;
diff --git a/usr.bin/less/option.c b/usr.bin/less/option.c
index b0ea0dbcfe3..11fb216580c 100644
--- a/usr.bin/less/option.c
+++ b/usr.bin/less/option.c
@@ -332,7 +332,7 @@ toggle_option(struct loption *o, int lower, char *s, int how_toggle)
 	how_toggle &= ~OPT_NO_PROMPT;
 
 	if (o == NULL) {
-		error("No such option", NULL_PARG);
+		error("No such option", NULL);
 		return;
 	}
 
@@ -415,7 +415,7 @@ toggle_option(struct loption *o, int lower, char *s, int how_toggle)
 			case OPT_SET:
 			case OPT_UNSET:
 				error("Cannot use \"-+\" or \"--\" "
-				    "for a string option", NULL_PARG);
+				    "for a string option", NULL);
 				return;
 			}
 			break;
@@ -434,7 +434,7 @@ toggle_option(struct loption *o, int lower, char *s, int how_toggle)
 				break;
 			case OPT_SET:
 				error("Can't use \"-!\" for a numeric option",
-				    NULL_PARG);
+				    NULL);
 				return;
 			}
 			break;
@@ -461,7 +461,7 @@ toggle_option(struct loption *o, int lower, char *s, int how_toggle)
 			/*
 			 * Print the odesc message.
 			 */
-			error(o->odesc[*(o->ovar)], NULL_PARG);
+			error(o->odesc[*(o->ovar)], NULL);
 			break;
 		case NUMBER:
 			/*
diff --git a/usr.bin/less/pattern.c b/usr.bin/less/pattern.c
index c173a530445..01c2903420c 100644
--- a/usr.bin/less/pattern.c
+++ b/usr.bin/less/pattern.c
@@ -32,7 +32,7 @@ compile_pattern2(char *pattern, int search_type, regex_t **comp_pattern)
 	comp = ecalloc(1, sizeof (regex_t));
 	if (regcomp(comp, pattern, less_is_more ? 0 : REGCOMP_FLAG)) {
 		free(comp);
-		error("Invalid pattern", NULL_PARG);
+		error("Invalid pattern", NULL);
 		return (-1);
 	}
 	if (*comp_pattern != NULL)
diff --git a/usr.bin/less/search.c b/usr.bin/less/search.c
index 3675515dc8b..7c7b5a3408e 100644
--- a/usr.bin/less/search.c
+++ b/usr.bin/less/search.c
@@ -271,7 +271,7 @@ void
 undo_search(void)
 {
 	if (!prev_pattern(&search_info)) {
-		error("No previous regular expression", NULL_PARG);
+		error("No previous regular expression", NULL);
 		return;
 	}
 	hide_hilite = !hide_hilite;
@@ -860,12 +860,12 @@ search(int search_type, char *pattern, int n)
 		 */
 		search_type |= SRCH_AFTER_TARGET;
 		if (!prev_pattern(&search_info) && !hist_pattern(search_type)) {
-			error("No previous regular expression", NULL_PARG);
+			error("No previous regular expression", NULL);
 			return (-1);
 		}
 		if ((search_type & SRCH_NO_REGEX) !=
 		    (search_info.search_type & SRCH_NO_REGEX)) {
-			error("Please re-enter search pattern", NULL_PARG);
+			error("Please re-enter search pattern", NULL);
 			return (-1);
 		}
 		if (hilite_search == OPT_ON) {
@@ -919,7 +919,7 @@ search(int search_type, char *pattern, int n)
 		if (search_type & SRCH_PAST_EOF)
 			return (n);
 		/* repaint(); -- why was this here? */
-		error("Nothing to search", NULL_PARG);
+		error("Nothing to search", NULL);
 		return (-1);
 	}
 
diff --git a/usr.bin/less/tags.c b/usr.bin/less/tags.c
index 6df12866bc2..a6e5ba52dab 100644
--- a/usr.bin/less/tags.c
+++ b/usr.bin/less/tags.c
@@ -116,13 +116,13 @@ findtag(char *tag)
 	case TAG_INTR:
 		break;
 	case TAG_NOFILE:
-		error("No tags file", NULL_PARG);
+		error("No tags file", NULL);
 		break;
 	case TAG_NOTAG:
-		error("No such tag in tags file", NULL_PARG);
+		error("No such tag in tags file", NULL);
 		break;
 	case TAG_NOTYPE:
-		error("unknown tag type", NULL_PARG);
+		error("unknown tag type", NULL);
 		break;
 	}
 }
@@ -345,7 +345,7 @@ ctagsearch(void)
 			/*
 			 * We hit EOF without a match.
 			 */
-			error("Tag not found", NULL_PARG);
+			error("Tag not found", NULL);
 			return (-1);
 		}