Added some missed .h files.

src/ban.h

@@ -0,0 +1,55 @@
+/**
+* @file boards.h
+* Header file for the bulletin board system (boards.c).
+* 
+* Part of the core tbaMUD source code distribution, which is a derivative
+* of, and continuation of, CircleMUD.
+*                                                                        
+* All rights reserved.  See license for complete information.                                                                
+* Copyright (C) 1993, 94 by the Trustees of the Johns Hopkins University 
+* CircleMUD is based on DikuMUD, Copyright (C) 1990, 1991.
+* 
+* @todo Utility functions that could easily be moved elsewhere have been
+* marked. Suggest a review of all utility functions (aka. non ACMDs) and
+* determine if the utility functions should be placed into a lower level
+* shared module.               
+*
+*/
+#ifndef _BAN_H_
+#define _BAN_H_
+
+/* don't change these */
+#define BAN_NOT   0
+#define BAN_NEW   1
+#define BAN_SELECT  2
+#define BAN_ALL   3
+
+#define BANNED_SITE_LENGTH    50
+struct ban_list_element {
+   char site[BANNED_SITE_LENGTH+1];
+   int  type;
+   time_t date;
+   char name[MAX_NAME_LENGTH+1];
+   struct ban_list_element *next;
+};
+
+/* Global functions */
+/* Utility Functions */
+void load_banned(void);
+int isbanned(char *hostname);
+int valid_name(char *newname);
+void read_invalid_list(void);
+void free_invalid_list(void);
+/* Command functions without subcommands */
+ACMD(do_ban);
+ACMD(do_unban);
+
+/* Global buffering */
+#ifndef __BAN_C__
+
+extern struct ban_list_element *ban_list;
+extern int num_invalid;
+
+#endif /*__BAN_C__ */
+
+#endif /* _BAN_H_*/