File : terminal_interface-curses-termcap.adb 
with Terminal_Interface.Curses.Aux; use Terminal_Interface.Curses.Aux;
with Interfaces.C; use Interfaces.C;
with Interfaces.C.Strings; use Interfaces.C.Strings;
package body Terminal_Interface.Curses.Termcap is
   function Get_Entry (Name : String) return Boolean
   is
      function tgetent (name : char_array; val : char_array)
                        return C_Int;
      pragma Import (C, tgetent, "tgetent");
      NameTxt : char_array (0 .. Name'Length);
      Length  : size_t;
      ignored : constant char_array (0 .. 0) := (0 => nul);
      result  : C_Int;
   begin
      To_C (Name, NameTxt, Length);
      result := tgetent (char_array (ignored), NameTxt);
      if result = -1 then
         raise Curses_Exception;
      else
         return Boolean'Val (result);
      end if;
   end Get_Entry;
   function Get_Flag (Name : String) return Boolean
   is
      function tgetflag (id : char_array) return C_Int;
      pragma Import (C, tgetflag, "tgetflag");
      Txt    : char_array (0 .. Name'Length);
      Length : size_t;
   begin
      To_C (Name, Txt, Length);
      if tgetflag (Txt) = 0 then
         return False;
      else
         return True;
      end if;
   end Get_Flag;
   procedure Get_Number (Name   : String;
                         Value  : out Integer;
                         Result : out Boolean)
   is
      function tgetnum (id : char_array) return C_Int;
      pragma Import (C, tgetnum, "tgetnum");
      Txt    : char_array (0 .. Name'Length);
      Length : size_t;
   begin
      To_C (Name, Txt, Length);
      Value := Integer (tgetnum (Txt));
      if Value = -1 then
         Result := False;
      else
         Result :=  True;
      end if;
   end Get_Number;
   procedure Get_String (Name   : String;
                         Value  : out String;
                         Result : out Boolean)
   is
      function tgetstr (id  : char_array;
                        buf : char_array) return chars_ptr;
      pragma Import (C, tgetstr, "tgetstr");
      Txt    : char_array (0 .. Name'Length);
      Length : size_t;
      Txt2   : chars_ptr;
      type t is new char_array (0 .. 1024); 
      Return_Buffer : constant t := (others => nul);
   begin
      To_C (Name, Txt, Length);
      Txt2 := tgetstr (Txt, char_array (Return_Buffer));
      if Txt2 = Null_Ptr then
         Result := False;
      else
         Value := Fill_String (Txt2);
         Result := True;
      end if;
   end Get_String;
   function Get_String (Name : String) return Boolean
   is
      function tgetstr (Id  : char_array;
                        buf : char_array) return chars_ptr;
      pragma Import (C, tgetstr, "tgetstr");
      Txt    : char_array (0 .. Name'Length);
      Length : size_t;
      Txt2   : chars_ptr;
      type t is new char_array (0 .. 1024); 
      Phony_Txt : constant t := (others => nul);
   begin
      To_C (Name, Txt, Length);
      Txt2 := tgetstr (Txt, char_array (Phony_Txt));
      if Txt2 = Null_Ptr then
         return False;
      else
         return True;
      end if;
   end Get_String;
   function TGoto (Cap : String;
                   Col : Column_Position;
                   Row : Line_Position) return Termcap_String is
      function tgoto (cap : char_array;
                      col : C_Int;
                      row : C_Int) return chars_ptr;
      pragma Import (C, tgoto);
      Txt    : char_array (0 .. Cap'Length);
      Length : size_t;
   begin
      To_C (Cap, Txt, Length);
      return Termcap_String (Fill_String
                             (tgoto (Txt, C_Int (Col), C_Int (Row))));
   end TGoto;
end Terminal_Interface.Curses.Termcap;