gcc parameter uncertainty

[Jonathan Wakely]

On 7 April 2015 at 03:30, Hooao wrote:
> Hi
> I would like using a SERIAL PORT printing some debug message on my hardware
> platform, so I need to write a function like "printf". But I don't exactly
> know HOW THE GUN COMPILER deal with "parameter uncertainty". Would some guys
> help me?? Many THANKS.

Maybe you want to look into the <stdarg.h> header, e.g. read 'man stdarg.h'