Hans-Peter Deifel authored 8 years ago and Hans-Peter Deifel committed 8 years ago

The CAMLparam0() macro must be invoked at the beginning of a function
that has local variables.

Variable numbers should not be 0, so shift them by 1 on conversion, then
shift them back.

This means that you have to set the pointer one step further at the end
of each loop iteration.