Eliminate 19 warnings in libc (at level WARNS=2) of the

`implicit declaration of function' variety.

include/resolv.h

@@ -307,6 +307,11 @@ int		res_queriesmatch(const u_char *, const u_char *,
 void		res_close(void);
 int		res_opt(int, u_char *, int, int);
 const char *	p_section(int, int);
+/* XXX These must be exported for BIND4 compatibility. */
+void		__putlong(u_int32_t, u_char *);
+void		__putshort(u_int16_t, u_char *);
+u_int32_t	_getlong(const u_char *);
+u_int16_t	_getshort(const u_char *);
 /* XXX The following depend on the ns_updrec typedef in arpa/nameser.h */
 #ifdef _ARPA_NAMESER_H_
 int		res_update(ns_updrec *);

lib/libc/gen/getpwent.c

@@ -64,6 +64,7 @@ __FBSDID("$FreeBSD$");
 #include <rpcsvc/ypclnt.h>
 #endif
 #include "un-namespace.h"
+#include "libc_private.h"
 
 #include "pw_scan.h"
 

lib/libc/gen/nlist.c

@@ -42,6 +42,7 @@ __FBSDID("$FreeBSD$");
 #include <sys/mman.h>
 #include <sys/stat.h>
 #include <sys/file.h>
+#include <arpa/inet.h>
 
 #include <errno.h>
 #include <a.out.h>

lib/libc/include/libc_private.h

@@ -106,6 +106,14 @@ typedef pthread_func_t pthread_func_entry_t[2];
 
 extern pthread_func_entry_t __thr_jtable[];
 
+/*
+ * yplib internal interfaces
+ */
+#ifdef YP
+int _yp_check(char **);
+#endif
+
+
 /*
  * This is a pointer in the C run-time startup code. It is used
  * by getprogname() and setprogname().

lib/libc/net/getaddrinfo.c

@@ -95,6 +95,7 @@ __FBSDID("$FreeBSD$");
 #include <stdarg.h>
 #include <nsswitch.h>
 #include "un-namespace.h"
+#include "libc_private.h"
 
 #if defined(__KAME__) && defined(INET6)
 # define FAITH
@@ -230,7 +231,6 @@ static int _files_getaddrinfo(void *, void *, va_list);
 #ifdef YP
 static struct addrinfo *_yphostent(char *, const struct addrinfo *);
 static int _yp_getaddrinfo(void *, void *, va_list);
-extern int _yp_check(char **);
 #endif
 
 static int res_queryN(const char *, struct res_target *);

lib/libc/net/getservent.c

@@ -49,9 +49,8 @@ __FBSDID("$FreeBSD$");
 #include <rpcsvc/yp_prot.h>
 #include <rpcsvc/ypclnt.h>
 static int serv_stepping_yp = 0;
-extern int _yp_check( char ** );
 #endif
-
+#include "libc_private.h"
 
 #define	MAXALIASES	35
 

lib/libc/net/nsdispatch.c

@@ -43,6 +43,7 @@ __FBSDID("$FreeBSD$");
 #include <sys/param.h>
 #include <sys/stat.h>
 
+#include "namespace.h"
 #include <err.h>
 #include <fcntl.h>
 #define _NS_PRIVATE
@@ -51,6 +52,7 @@ __FBSDID("$FreeBSD$");
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include "un-namespace.h"
 
 /*
  * default sourcelist: `files'

lib/libc/net/nslexer.l

@@ -43,11 +43,13 @@ static char *rcsid =
   "$FreeBSD$";
 #endif /* LIBC_SCCS and not lint */
 
+#include "namespace.h"
 #include <ctype.h>
 #include <err.h>
 #define _NS_PRIVATE
 #include <nsswitch.h>
 #include <string.h>
+#include "un-namespace.h"
 
 #include "nsparser.h"
 

lib/libc/net/rcmdsh.c

@@ -39,6 +39,7 @@ __FBSDID("$FreeBSD$");
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/wait.h>
+#include <arpa/inet.h>
 
 #include <errno.h>
 #include <netdb.h>
@@ -86,7 +87,8 @@ rcmdsh(ahost, rport, locuser, remuser, cmd, rshprog)
 		hints.ai_flags = AI_CANONNAME;
 		hints.ai_family = PF_UNSPEC;
 		hints.ai_socktype = SOCK_STREAM;
-		(void)snprintf(num, sizeof(num), "%d", ntohs(rport));
+		(void)snprintf(num, sizeof(num), "%u",
+		    (unsigned int)ntohs(rport));
 		error = getaddrinfo(*ahost, num, &hints, &res);
 		if (error) {
 			fprintf(stderr, "rcmdsh: getaddrinfo: %s\n",

lib/libc/posix1e/mac_set.c

@@ -34,6 +34,11 @@
 #include <sys/types.h>
 #include <sys/mac.h>
 
+extern	int	__mac_set_fd(int fd, struct mac *mac_p);
+extern	int	__mac_set_file(const char *path_p, struct mac *mac_p);
+extern	int	__mac_set_link(const char *path_p, struct mac *mac_p);
+extern	int	__mac_set_proc(struct mac *mac_p);
+
 int
 mac_set_fd(int fd, struct mac *label)
 {

lib/libc/rpc/Makefile.inc

@@ -30,6 +30,7 @@ SRCS+=	rtime.c
 SRCS+=  crypt_clnt.c crypt_xdr.c crypt.h
 
 CFLAGS+= -DBROKEN_DES -DPORTMAP -DDES_BUILTIN
+CFLAGS+= -I${.CURDIR}/rpc
 
 CLEANFILES+= crypt_clnt.c crypt_xdr.c crypt.h
 

lib/libc/rpc/getrpcent.c

@@ -58,6 +58,7 @@ __FBSDID("$FreeBSD$");
 #include <rpcsvc/ypclnt.h>
 #endif
 #include "un-namespace.h"
+#include "libc_private.h"
 
 /*
  * Internet version.
@@ -80,7 +81,6 @@ static	struct rpcent *interpret(char *val, size_t len);
 
 #ifdef	YP
 static int	__yp_nomap = 0;
-extern int _yp_check(char **);
 #endif	/* YP */
 
 #define	RPCDB	"/etc/rpc"

lib/libc/rpc/rpc_com.h

@@ -84,6 +84,11 @@ bool_t __rpc_control(int,void *);
 
 char *_get_next_token(char *, int);
 
+bool_t __svc_clean_idle(fd_set *, int, bool_t);
+bool_t __xdrrec_setnonblock(XDR *, int);
+bool_t __xdrrec_getrec(XDR *, enum xprt_stat *, bool_t);
+void __xprt_unregister_unlocked(SVCXPRT *);
+
 SVCXPRT **__svc_xports;
 int __svc_maxrec;
 

lib/libc/rpc/svc_run.c

@@ -51,6 +51,7 @@ __FBSDID("$FreeBSD$");
 #include "un-namespace.h"
 
 #include <rpc/rpc.h>
+#include "rpc_com.h"
 
 void
 svc_run()

lib/libc/xdr/xdr_rec.c

@@ -71,6 +71,7 @@ __FBSDID("$FreeBSD$");
 #include <rpc/clnt.h>
 #include <sys/stddef.h>
 #include "un-namespace.h"
+#include "rpc_com.h"
 
 static bool_t	xdrrec_getlong(XDR *, long *);
 static bool_t	xdrrec_putlong(XDR *, const long *);