; *** scan for y/n ***

; allocate memory
sub esp, 8
; pointer for scanned value
mov dword [esp+4], _val		; *decl* _val db ?
; type of value (integer/string)
mov dword [esp], _type 		; *decl* _type db "%s", 0
; call scan
call [scanf]

; pop type
add esp, 4

; print scanned value (since we popped type, now our scanned value is left at the top of the stack)
call [printf]