[bug-gawk] How to define a function that can accept arbitrary number of arguments?

[Peng Yu]

Hi, I see that there are built-in functions in gawk that can accept
arbitrary number of arguments. How to define one with accept arbitrary
number of arguments by the users? Thanks.

       and(v1, v2 [, ...]) Return  the bitwise AND of the values
provided in the argument list.  There
                           must be at least two.

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Regards,
Peng