wrap printf in info() and replace a couple of printf statements

fiche.h

@@ -90,6 +90,7 @@ void parse_parameters(int argc, char **argv);
 void save_log(char *slug, char *hostaddrp, char *h_name);
 void change_owner(char *directory);
 void set_uid_gid();
+void info(char *buffer, ...);
 
 char *check_banlist(char *ip_address);
 char *check_whitelist(char *ip_address);