Without testing it and actually going from the perlapi documentation for Newxz, the following should give you an allocated buffer, filled with zeroes:

AirLorconDriver * l_packet;
Newxz( l_packet, 1, AirLorconDriver);

/* Remember to use SafeFree() to release the memory pointed to by l_pa
+cket */

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Update: Also see perlguts for more discussion of Newx() and friends

In reply to Re: help with XS (Newx and by Corion
in thread help with XS (Newx and by Bpl

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