Re: warnings compiling Emacs 22 on amd64

[Francesco Potorti`]

>> /home/pot/gnu/emacs-22.0.91/src/prefix-args.c: In function 'main':
>> /home/pot/gnu/emacs-22.0.91/src/prefix-args.c:64: warning: incompatible 
>> implicit declaration of built-in function 'exit'
>> /home/pot/gnu/emacs-22.0.91/src/prefix-args.c:73: warning: incompatible 
>> implicit declaration of built-in function 'exit'
>
>Do these warnings go away if you #include <stdlib.h> in prefix-args.c?

Yes, they go away.  I had not tried that myself because apparently
prefix-args.c was written to be compilable on everything, even when
stdlib.h is not there, but times are changing, so I think your change is
the way to go.