commit f2522b43139cc1a41a4a75d9eff84ee40be408da
from: Omar Polo <op@omarpolo.com>
date: Wed Mar 31 16:52:07 2021 UTC

check if sys/queue.h provides TAILQ_FOREACH_SAFE

commit - b8e64ccd44290cdd34bdcd3fd85fb1a9cb7486dd
commit + f2522b43139cc1a41a4a75d9eff84ee40be408da
blob - d503040465e34194f447b33990e3dfbed1b3725f
blob + 81d3c6166446ea4d4da6944141bfff27fe02d9a5
--- have/queue_h.c
+++ have/queue_h.c
@@ -18,12 +18,18 @@
 
 #include <stddef.h>
 
-struct ibuf {
-	TAILQ_ENTRY(ibuf)	 entry;
-};
+TAILQ_HEAD(tailhead, entry) head;
+struct entry {
+	TAILQ_ENTRY(entry) entries;
+} *np, *nt;
 
 int
 main(void)
 {
+	TAILQ_INIT(&head);
+	TAILQ_FOREACH_SAFE(np, &head, entries, nt) {
+		/* nop */;
+	}
+
 	return 0;
 }