Patrick Dupre wrote:
> 
> Inside a c routine (ie. inside a .c file) is there any way to define a 
> variable of type SV (or SV *) ?
> From xs, it is no problem.

Yes. You can say

  SV *var = &PL_sv_undef;

which creates an undefined scalar. But what do you want to do with it?

Rob

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