diff -ru nc/Makefile nc-patched/Makefile
--- nc/Makefile	Wed Mar 20 04:16:06 1996
+++ nc-patched/Makefile	Wed Dec 29 11:44:19 2021
@@ -109,6 +109,11 @@
 next:
 	make -e $(ALL) $(MFLAGS) XFLAGS='-DNEXT' STATIC=-Bstatic
 
+# Darwin / Mac OS X: Modernized NeXT, no fully static linking, no stripping
+darwin:
+	make -e $(ALL) $(MFLAGS) LD='$(CC)' XFLAGS='-DNEXT' STATIC= \
+	XLIBS='-lresolv'
+
 # start with this for a new architecture, and see what breaks.
 generic:
 	make -e $(ALL) $(MFLAGS) XFLAGS='-DGENERIC' STATIC=
diff -ru nc/netcat.c nc-patched/netcat.c
--- nc/netcat.c	Thu Mar 21 01:38:04 1996
+++ nc-patched/netcat.c	Thu Sep 20 13:44:03 2001
@@ -40,9 +40,6 @@
 #else
 #include <malloc.h>
 #endif
-#ifdef HAVE_SELECT_H		/* random SV variants need this */
-#include <sys/select.h>
-#endif
 
 /* have to do this *before* including types.h. xxx: Linux still has it wrong */
 #ifdef FD_SETSIZE		/* should be in types.h, butcha never know. */
@@ -50,6 +47,10 @@
 #endif				/* fd's, something is horribly wrong! */
 #define FD_SETSIZE 16		/* <-- this'll give us a long anyways, wtf */
 #include <sys/types.h>		/* *now* do it.  Sigh, this is broken */
+
+#ifdef HAVE_SELECT_H		/* random SV variants need this */
+#include <sys/select.h>
+#endif
 
 #ifdef HAVE_RANDOM		/* aficionados of ?rand48() should realize */
 #define SRAND srandom		/* that this doesn't need *strong* random */
@@ -68,11 +68,14 @@
 #include <netinet/ip.h>		/* IPOPT_LSRR, header stuff */
 #include <netdb.h>		/* hostent, gethostby*, getservby* */
 #include <arpa/inet.h>		/* inet_ntoa */
+#include <arpa/nameser.h>
+#include <resolv.h>
 #include <stdio.h>
 #include <string.h>		/* strcpy, strchr, yadda yadda */
 #include <errno.h>
 #include <signal.h>
 #include <fcntl.h>		/* O_WRONLY et al */
+#include <unistd.h>		/* close, sleep, alarm, et al */
 
 /* handy stuff: */
 #define SA struct sockaddr	/* socket overgeneralization braindeath */
@@ -215,6 +216,47 @@
   exit (1);
 } /* bail */
 
+#ifdef HAVE_HELP		/* unless we wanna be *really* cryptic */
+/* helpme :
+   the obvious */
+helpme()
+{
+  o_verbose = 1;
+  holler ("[v1.10]\n\
+connect to somewhere:	nc [-options] hostname port[s] [ports] ... \n\
+listen for inbound:	nc -l -p port [-options] [hostname] [port]\n\
+options:");
+/* sigh, this necessarily gets messy.  And the trailing \ characters may be
+   interpreted oddly by some compilers, generating or not generating extra
+   newlines as they bloody please.  u-fix... */
+#ifdef GAPING_SECURITY_HOLE	/* needs to be separate holler() */
+  holler ("\
+	-e prog			program to exec after connect [dangerous!!]");
+#endif
+  holler ("\
+	-g gateway		source-routing hop point[s], up to 8\n\
+	-G num			source-routing pointer: 4, 8, 12, ...\n\
+	-h			this cruft\n\
+	-i secs			delay interval for lines sent, ports scanned\n\
+	-l			listen mode, for inbound connects\n\
+	-n			numeric-only IP addresses, no DNS\n\
+	-o file			hex dump of traffic\n\
+	-p port			local port number\n\
+	-r			randomize local and remote ports\n\
+	-s addr			local source address");
+#ifdef TELNET
+  holler ("\
+	-t			answer TELNET negotiation");
+#endif
+  holler ("\
+	-u			UDP mode\n\
+	-v			verbose [use twice to be more verbose]\n\
+	-w secs			timeout for connects and final net reads\n\
+	-z			zero-I/O mode [used for scanning]");
+  bail ("port numbers can be individual or ranges: lo-hi [inclusive]");
+} /* helpme */
+#endif /* HAVE_HELP */
+
 /* catch :
    no-brainer interrupt handler */
 void catch ()
@@ -1624,45 +1666,4 @@
   exit (0);			/* otherwise, we're just done */
 } /* main */
 
-#ifdef HAVE_HELP		/* unless we wanna be *really* cryptic */
-/* helpme :
-   the obvious */
-helpme()
-{
-  o_verbose = 1;
-  holler ("[v1.10]\n\
-connect to somewhere:	nc [-options] hostname port[s] [ports] ... \n\
-listen for inbound:	nc -l -p port [-options] [hostname] [port]\n\
-options:");
-/* sigh, this necessarily gets messy.  And the trailing \ characters may be
-   interpreted oddly by some compilers, generating or not generating extra
-   newlines as they bloody please.  u-fix... */
-#ifdef GAPING_SECURITY_HOLE	/* needs to be separate holler() */
-  holler ("\
-	-e prog			program to exec after connect [dangerous!!]");
-#endif
-  holler ("\
-	-g gateway		source-routing hop point[s], up to 8\n\
-	-G num			source-routing pointer: 4, 8, 12, ...\n\
-	-h			this cruft\n\
-	-i secs			delay interval for lines sent, ports scanned\n\
-	-l			listen mode, for inbound connects\n\
-	-n			numeric-only IP addresses, no DNS\n\
-	-o file			hex dump of traffic\n\
-	-p port			local port number\n\
-	-r			randomize local and remote ports\n\
-	-s addr			local source address");
-#ifdef TELNET
-  holler ("\
-	-t			answer TELNET negotiation");
-#endif
-  holler ("\
-	-u			UDP mode\n\
-	-v			verbose [use twice to be more verbose]\n\
-	-w secs			timeout for connects and final net reads\n\
-	-z			zero-I/O mode [used for scanning]");
-  bail ("port numbers can be individual or ranges: lo-hi [inclusive]");
-} /* helpme */
-#endif /* HAVE_HELP */
-
 /* None genuine without this seal!  _H*/