diff -uNr lynx2.8.9dev.19/WWW/Library/Implementation/www_tcp.h lynx2.8.9dev.19.mod/WWW/Library/Implementation/www_tcp.h
--- lynx2.8.9dev.19/WWW/Library/Implementation/www_tcp.h	2018-05-16 23:31:43.000000000 +0300
+++ lynx2.8.9dev.19.mod/WWW/Library/Implementation/www_tcp.h	2018-06-19 19:40:07.064834756 +0300
@@ -797,7 +797,7 @@
 
 #if defined(VMS)
 #define socklen_t unsigned
-#else
+#elif !defined(__APPLE__)
 #define socklen_t int		/* used for default LY_SOCKLEN definition */
 #endif