sdcc -mz80 and function 'vsnprintf' implicit declaration

[andromeda92]

Hi,
-mz80 --no-std-crt0 ... can't find vnsprintf ?
i have #include <stdio.h>

The same problem with <cpm.h> and <conio.h> file not found.
Any idea ?

Thanks

[andromeda92]

RESOLVED on antoher post.