| package Opt28_Pkg is | |
| type Posix_String is array (Positive range <>) of aliased Character; | |
| function To_Posix (Str : String) return Posix_String; | |
| function To_String (Str : Posix_String) return String; | |
| function Is_File (Str : Posix_String) return Boolean; | |
| function Value_Of (Name : Posix_String) return Posix_String; | |
| function Position (In_Line : String) return Natural; | |
| end Opt28_Pkg; |