"Numerical Recipes in C" is nonportable code

[Doug Gwyn]

In article <1429 at ficc.uu.net> peter at ficc.uu.net (Peter da Silva) writes:
>What's to stop you from doing the following:
>	Generate code in an array.
>	Jump to the beginning of the array. *
>... I can't see how you could write a valid 'C' compiler that wouldn't
>let you violate this protection.

That's simple.  All the compiler has to do is detect any attempt to
use a data object as a function.  The only way to even attempt this in
standard C is via an explicit cast to a function pointer somewhere,
which is where the compiler would enforce the constraint.