FA> Is it at all possible to send  variable type and number of args to a
FA> function, and determine the types and number of them at runtime ?

No, you have to give the function some way of determining that 
yourself, by the use of a format string in the case of printf().

FA> eg. void foo(char*,...);

FA> foo("hello",10,5.6,'o');
FA> foo(10.7,90,"Hello",'i',90,80);

FA> This may not make any sense, but i'm curious if there is a way of doing it.
FA> If there is, how would i then check for the type ?

What are you really trying to do anyway?  C++ has function overloading,
if you want to go that route.  BFN.  Paul.
@EOT:

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