From ba9e372f3165e0cfd73fcc8a1352fbb790ea2439 Mon Sep 17 00:00:00 2001
From: Moraxyc <i@qaq.li>
Date: Sat, 27 Dec 2025 23:22:47 +0800
Subject: [PATCH] fix build with c23

---
 dd/dd.c    |  4 ++--
 troff/n5.c | 24 ++++++++++++------------
 2 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/dd/dd.c b/dd/dd.c
index 9e69b6b..1e7d4c5 100644
--- a/dd/dd.c
+++ b/dd/dd.c
@@ -312,11 +312,11 @@ match(char *s)
 	cs = string;
 	while(*cs++ == *s)
 		if(*s++ == '\0')
-			goto true;
+			goto match_true;
 	if(*s != '\0')
 		return 0;
 
-true:
+match_true:
 	cs--;
 	string = cs;
 	return 1;
diff --git a/troff/n5.c b/troff/n5.c
index 7266432..7566068 100644
--- a/troff/n5.c
+++ b/troff/n5.c
@@ -642,15 +642,15 @@ void caseif(void)
 void caseif1(int x)
 {
 	extern int falsef;
-	int notflag, true;
+	int notflag, truev;
 	Tchar i;
 
 	if (x == 2) {
 		notflag = 0;
-		true = iflist[ifx];
+		truev = iflist[ifx];
 		goto i1;
 	}
-	true = 0;
+	truev = 0;
 	skip();
 	if ((cbits(i = getch())) == '!') {
 		notflag = 1;
@@ -663,37 +663,37 @@ void caseif1(int x)
 	ifnum = 0;
 	if (!nonumb) {
 		if (i > 0)
-			true++;
+			truev++;
 		goto i1;
 	}
 	i = getch();
 	switch (cbits(i)) {
 	case 'e':
 		if (!(numtabp[PN].val & 01))
-			true++;
+			truev++;
 		break;
 	case 'o':
 		if (numtabp[PN].val & 01)
-			true++;
+			truev++;
 		break;
 	case 'n':
 		if (NROFF)
-			true++;
+			truev++;
 		break;
 	case 't':
 		if (TROFF)
-			true++;
+			truev++;
 		break;
 	case ' ':
 		break;
 	default:
-		true = cmpstr(i);
+		truev = cmpstr(i);
 	}
 i1:
-	true ^= notflag;
+	truev ^= notflag;
 	if (x == 1)
-		iflist[ifx] = !true;
-	if (true) {
+		iflist[ifx] = !truev;
+	if (truev) {
 i2:
 		while ((cbits(i = getch())) == ' ')
 			;
-- 
2.51.2