Also remove unnecessary extern keywords from tcpd.h.

Noticed by:	kib
X-MFC-With:	r311459

contrib/tcp_wrappers/tcpd.h

@@ -69,22 +69,22 @@ extern char paranoid[];
 /* Global functions. */
 
 #if defined(TLI) || defined(PTX) || defined(TLI_SEQUENT)
-extern void fromhost(struct request_info *);	/* get/validate client host info */
+void fromhost(struct request_info *);	/* get/validate client host info */
 #else
-#define	fromhost sock_host			/* no TLI support needed */
+#define	fromhost sock_host		/* no TLI support needed */
 #endif
 
-extern int hosts_access(struct request_info *);				/* access control */
-extern int hosts_ctl(char *, char *, char *, char *);			/* wrapper around request_init() */
-extern void shell_cmd(char *);						/* execute shell command */
-extern char *percent_x(char *, int, char *, struct request_info *);	/* do %<char> expansion */
-extern void rfc931(TCPD_SOCKADDR *, TCPD_SOCKADDR *, char *);		/* client name from RFC 931 daemon */
-extern void clean_exit(struct request_info *);				/* clean up and exit */
-extern void refuse(struct request_info *);				/* clean up and exit */
-extern char *xgets(char *, int, FILE *);				/* fgets() on steroids */
+int hosts_access(struct request_info *);			/* access control */
+int hosts_ctl(char *, char *, char *, char *);			/* wrapper around request_init() */
+void shell_cmd(char *);						/* execute shell command */
+char *percent_x(char *, int, char *, struct request_info *);	/* do %<char> expansion */
+void rfc931(TCPD_SOCKADDR *, TCPD_SOCKADDR *, char *);		/* client name from RFC 931 daemon */
+void clean_exit(struct request_info *);				/* clean up and exit */
+void refuse(struct request_info *);				/* clean up and exit */
+char *xgets(char *, int, FILE *);				/* fgets() on steroids */
 
-extern char *split_at(char *, int);					/* strchr() and split */
-extern unsigned long dot_quad_addr(char *);				/* restricted inet_addr() */
+char *split_at(char *, int);					/* strchr() and split */
+unsigned long dot_quad_addr(char *);				/* restricted inet_addr() */
 
 /* Global variables. */
 
@@ -101,8 +101,8 @@ extern int resident;			/* > 0 if resident process */
   * attributes. Each attribute has its own key.
   */
 
-extern struct request_info *request_init(struct request_info *,...);	/* initialize request */
-extern struct request_info *request_set(struct request_info *,...);	/* update request structure */
+struct request_info *request_init(struct request_info *,...);	/* initialize request */
+struct request_info *request_set(struct request_info *,...);	/* update request structure */
 
 #define	RQ_FILE		1		/* file descriptor */
 #define	RQ_DAEMON	2		/* server process (argv[0]) */
@@ -122,27 +122,27 @@ extern struct request_info *request_set(struct request_info *,...);	/* update re
   * host_info structures serve as caches for the lookup results.
   */
 
-extern char *eval_user(struct request_info *);		/* client user */
-extern char *eval_hostname(struct host_info *);		/* printable hostname */
-extern char *eval_hostaddr(struct host_info *);		/* printable host address */
-extern char *eval_hostinfo(struct host_info *);		/* host name or address */
-extern char *eval_client(struct request_info *);	/* whatever is available */
-extern char *eval_server(struct request_info *);	/* whatever is available */
+char *eval_user(struct request_info *);		/* client user */
+char *eval_hostname(struct host_info *);	/* printable hostname */
+char *eval_hostaddr(struct host_info *);	/* printable host address */
+char *eval_hostinfo(struct host_info *);	/* host name or address */
+char *eval_client(struct request_info *);	/* whatever is available */
+char *eval_server(struct request_info *);	/* whatever is available */
 #define	eval_daemon(r)	((r)->daemon)	/* daemon process name */
 #define	eval_pid(r)	((r)->pid)	/* process id */
 
 /* Socket-specific methods, including DNS hostname lookups. */
 
-extern void sock_host(struct request_info *);		/* look up endpoint addresses */
-extern void sock_hostname(struct host_info *);		/* translate address to hostname */
-extern void sock_hostaddr(struct host_info *);		/* address to printable address */
+void sock_host(struct request_info *);		/* look up endpoint addresses */
+void sock_hostname(struct host_info *);		/* translate address to hostname */
+void sock_hostaddr(struct host_info *);		/* address to printable address */
 #define	sock_methods(r) \
 	{ (r)->hostname = sock_hostname; (r)->hostaddr = sock_hostaddr; }
 
 /* The System V Transport-Level Interface (TLI) interface. */
 
 #if defined(TLI) || defined(PTX) || defined(TLI_SEQUENT)
-extern void tli_host(struct request_info *);		/* look up endpoint addresses etc. */
+void tli_host(struct request_info *);		/* look up endpoint addresses etc. */
 #endif
 
  /*
@@ -151,8 +151,8 @@ extern void tli_host(struct request_info *);		/* look up endpoint addresses etc.
   * everyone would have to include <setjmp.h>.
   */
 
-extern void tcpd_warn(char *, ...);	/* report problem and proceed */
-extern void tcpd_jump(char *, ...);	/* report problem and jump */
+void tcpd_warn(char *, ...);		/* report problem and proceed */
+void tcpd_jump(char *, ...);		/* report problem and jump */
 
 struct tcpd_context {
     char   *file;			/* current file */
@@ -178,42 +178,42 @@ extern struct tcpd_context tcpd_context;
   * behavior.
   */
 
-extern void process_options(char *, struct request_info *);	/* execute options */
-extern int dry_run;						/* verification flag */
+void process_options(char *, struct request_info *);	/* execute options */
+extern int dry_run;					/* verification flag */
 
 /* Bug workarounds. */
 
 #ifdef INET_ADDR_BUG			/* inet_addr() returns struct */
 #define	inet_addr fix_inet_addr
-extern long fix_inet_addr(char *);
+long fix_inet_addr(char *);
 #endif
 
 #ifdef BROKEN_FGETS			/* partial reads from sockets */
 #define	fgets fix_fgets
-extern char *fix_fgets(char *, int, FILE *);
+char *fix_fgets(char *, int, FILE *);
 #endif
 
 #ifdef RECVFROM_BUG			/* no address family info */
 #define	recvfrom fix_recvfrom
-extern int fix_recvfrom(int, char *, int, int, struct sockaddr *, int *);
+int fix_recvfrom(int, char *, int, int, struct sockaddr *, int *);
 #endif
 
 #ifdef GETPEERNAME_BUG			/* claims success with UDP */
 #define	getpeername fix_getpeername
-extern int fix_getpeername(int, struct sockaddr *, int *);
+int fix_getpeername(int, struct sockaddr *, int *);
 #endif
 
 #ifdef SOLARIS_24_GETHOSTBYNAME_BUG	/* lists addresses as aliases */
 #define	gethostbyname fix_gethostbyname
-extern struct hostent *fix_gethostbyname(char *);
+struct hostent *fix_gethostbyname(char *);
 #endif
 
 #ifdef USE_STRSEP			/* libc calls strtok() */
 #define	strtok	fix_strtok
-extern char *fix_strtok(char *, char *);
+char *fix_strtok(char *, char *);
 #endif
 
 #ifdef LIBC_CALLS_STRTOK		/* libc calls strtok() */
 #define	strtok	my_strtok
-extern char *my_strtok(char *, char *);
+char *my_strtok(char *, char *);
 #endif