Look at the Text_IO package there is 2 functions named Get_Immediate
and Look_Ahead that should do what you want.

These are Ada95 standard functions.

Pascal.

jtapasai@bipa162.bi.ehu.es a �crit dans le message
<6t3572$1md$1@nnrp1.dejanews.com>...
>Hi!
>I am learning ADA with GNAT under Linux and I have a question
>I want to know if there is a function or procedure like this one
>(used in Alsys compiler under Windows) :
>BIOS_KEYBOARD_GET_EXT_KEYB_STATUS(ANYKEY,SCODE,ACODE);
>This procedure is used to know if one key has been pressed
>