Ada Reference Manual (Ada 2022)
A.15.1 The Packages Wide_Command_Line and Wide_Wide_Command_Line
The packages Wide_Command_Line and Wide_Wide_Command_Line allow a program to obtain the values of its arguments and to set the exit status code to be returned on normal termination.
Static Semantics
The specification of package Wide_Command_Line is the same as for Command_Line, except that each occurrence of String is replaced by Wide_String.
The specification of package Wide_Wide_Command_Line is the same as for Command_Line, except that each occurrence of String is replaced by Wide_Wide_String.