updated for version 7.0106
diff --git a/src/os_unix.c b/src/os_unix.c
index c269e87..ce30a2d 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -4432,7 +4432,7 @@
 #endif
 
 #ifdef MAY_LOOP
-    while (1)
+    for (;;)
 #endif
     {
 #ifdef MAY_LOOP