lAlways start with h2xs
utility
lCode is C with macro
extensions
lWrite C code (XSUBs)
lCall internal Perl
routines (perlguts) to create
variables, allocate arrays…
newSViv(IV),
sv_setiv(SV*, IV) ~ scalar integer variable
lComplicated
lNyarlathotep / “Crawling
Chaos”
l