Examples/test-suite/lua/li_cdata_cpp_runme.lua

v=require("li_cdata_cpp")
catch_undef_globs() -- catch "undefined" global variables

s = "ABC\0abc"
m = v.malloc(256)
v.memmove(m, s)
ss = v.cdata(m, 7)
assert(ss == "ABC\0abc", "failed")