Variable argument lists.

[ark at alice.UUCP]

In article <14139 at brl-adm.ARPA>, bates%falcon.dnet%fermat at bru.mayo.edu writes:
 
>        Does anybody know (or care) why in ANSI standard C when 
>        using a variable length argument list, there is no way to 
>        determine how many arguments where passed into the function?

Such a facility is hard to implement in some
machine architectures without significantly slowing down
every function call, even those that don't use it.